<PAGE>

                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                   FORM 10-Q

(Mark One)

[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934

     For the quarterly period ended March 31, 2000

                                       OR

[_]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934

     For the transition period from _____ to _____

                        Commission file number 000-26745

================================================================================

                          ORATEC INTERVENTIONS, INC.
            (Exact name of registrant as specified in its charter)

<TABLE>

<S>                                                    <C>
                   Delaware                                        94-3180773
(State or other jurisdiction of incorporation          (I.R.S. Employer Identification No.)
               or organization)
</TABLE>
                               3700 Haven Court
                         Menlo Park, California  94025
         (Address of principal executive offices, including zip code)

                                 650-369-9904
             (Registrant's telephone number, including area code)

================================================================================

     Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days.

                               Yes [X]   No [_]


     As of April 30, 2000, there were 22,011,005 shares of the registrant's
Common Stock outstanding.
<PAGE>

                                     INDEX
                                     -----

<TABLE>
<CAPTION>
                                                                                           Page
                                                                                           ----
<S>                                                                                        <C>
PART I.   FINANCIAL INFORMATION
       Item 1.       Financial Statements (unaudited).
                            Condensed Balance Sheets -  March 31, 2000 and                  3
                                  December 31, 1999
                            Condensed Statements of Operations -  Three months              4
                                  ended March 31, 2000 and 1999
                            Condensed Statements of Cash Flows - Three months               5
                                  ended March 31, 2000 and 1999
                            Notes to Condensed Financial Statements                         6
       Item 2.       Management's Discussion and  Analysis of Financial Condition and       9
                     Results of Operations.
       Item 3.       Quantitative and Qualitative Disclosures About Market  Risk.          20

PART II.  OTHER INFORMATION

       Item 1.       Legal Proceedings.                                                    20
       Item 2.       Changes in Securities and Use of Proceeds.                            20
       Item 3.       Defaults Upon Senior Securities.                                      21
       Item 4.       Submission of Matters to a Vote of Security  Holders.                 21
       Item 5.       Other Information.                                                    22
       Item 6.       Exhibits and Reports on Form 8-K.                                     22

SIGNATURES                                                                                 23
</TABLE>

                                      -2-
<PAGE>

PART I.  FINANCIAL INFORMATION

Item 1.    Financial Statements.

                           ORATEC INTERVENTIONS, INC.

                            CONDENSED BALANCE SHEETS

                     (In thousands, except per share data)
<TABLE>
<CAPTION>
                                                                                          March 31,         December 31,
                                                                                            2000                1999
                                                                                           ------               -----
                                                                                         (unaudited)
<S>                                                                                          <C>               <C>
Assets
Current assets:
  Cash and cash equivalents.........................................................         $  4,627          $  5,943
  Short term investments............................................................               --             2,931
  Accounts receivable, net..........................................................            7,718             6,306
  Inventories.......................................................................            3,538             3,248
  Prepaid expenses and other current assets.........................................            1,320             1,004
                                                                                             --------          --------
     Total current assets...........................................................           17,203            19,432
Property and equipment, net.........................................................            6,893             4,409
                                                                                             --------          --------
                                                                                             $ 24,096          $ 23,841
                                                                                             ========          ========
Liabilities and stockholders' equity
Current liabilities:
  Bank borrowings...................................................................         $  3,427          $  3,427
  Accounts payable..................................................................            2,149             1,735
  Accrued compensation and benefits.................................................            2,464             2,953
  Other accrued liabilities.........................................................            1,955             1,817
  Current portion of notes payable..................................................            1,705             1,705
  Current portion of equipment financing obligations................................            1,815             1,425
                                                                                             --------          --------
     Total current liabilities......................................................           13,515            13,062
Long term notes payable.............................................................            1,794             2,295
Long term equipment financing obligations...........................................            1,349             2,053
Commitments
Redeemable convertible preferred stock, $0.001 par value, 12,400,000 shares
authorized, 12,079,948 shares issued and outstanding at March 31, 2000 and
December 31, 1999...................................................................           35,816            35,816
Common stock, $0.001 par value, 19,900,000 shares authorized, 4,932,774 shares and
4,411,201 shares issued and outstanding at March 31, 2000 and December 31, 1999,
respectively........................................................................                5                 4
Additional paid-in capital..........................................................            2,407             1,625
Deferred stock compensation.........................................................             (297)             (320)
Receivable from stockholder.........................................................              (14)               (9)
Accumulated deficit.................................................................          (30,479)          (30,685)
                                                                                             ---------         ---------
                                                                                             $ 24,096          $ 23,841
                                                                                             =========          ========
</TABLE>

                            See accompanying notes.

                                      -3-
<PAGE>

                           ORATEC INTERVENTIONS, INC.

                       CONDENSED STATEMENTS OF OPERATIONS

                (In thousands, except per share data, unaudited)

<TABLE>
<CAPTION>
                                                                                                    Three months ended
                                                                                                       March 31,
                                                                                                    2000           1999
                                                                                                    ----           ----
<S>                                                                                              <C>             <C>
Sales  ...................................................................................        $ 12,663        $ 5,196
Cost of sales  ...........................................................................           3,646          2,828
                                                                                                  --------        -------

Gross profit  ............................................................................           9,017          2,368
Operating expenses:
  Research and development  ..............................................................           1,318          1,044
  Sales and marketing  ...................................................................           6,035          3,254
  General and administrative  ............................................................           1,035            997
  Stock compensation (1)..................................................................             259             --
                                                                                                  --------        -------

Total operating expenses  ................................................................           8,647          5,295
                                                                                                  --------        -------

Income (loss) from operations  ...........................................................             370         (2,927)

Interest and other income  ...............................................................             168            166
Interest and other expense  ..............................................................            (321)          (272)
                                                                                                  --------        -------

Income (loss) before income taxes.........................................................             217         (3,033)

Provision for income taxes................................................................              11             --
                                                                                                  --------        -------

Net income (loss)  .......................................................................        $    206        $(3,033)
                                                                                                  ========        =======

Basic net income (loss) per share  .......................................................        $   0.05        $ (0.75)
                                                                                                  ========        =======
Diluted net income (loss) per share  .....................................................        $   0.01        $ (0.75)
                                                                                                  ========        =======
Pro forma diluted net income (loss) per share  ...........................................        $   0.01        $ (0.19)
                                                                                                  ========        =======

Shares used in computing basic net income (loss) per share  ..............................           4,555          4,064
Shares used in computing diluted net income (loss) per share  ............................          18,873          4,064
Shares used in computing pro forma diluted net income (loss) per share  ..................          18,873         16,122
</TABLE>

(1) Stock compensation expense relates to research and development expenses.



                            See accompanying notes.

                                      -4-
<PAGE>

                           ORATEC INTERVENTIONS, INC.

                       CONDENSED STATEMENTS OF CASH FLOWS

                Increase (decrease) in cash and cash equivalents
                           (In thousands, unaudited)

<TABLE>
<CAPTION>
                                                                                                     Three months ended
                                                                                                         March 31,
                                                                                                    2000            1999
                                                                                                    ----            ----
<S>                                                                                              <C>             <C>
Operating activities
Net income (loss)  ........................................................................       $   206          $(3,033)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
  Depreciation and amortization  ..........................................................           861              912
  Stock compensation expense  .............................................................           259               --
  Issuance of equity for non-cash benefits  ...............................................            --               25
  Changes in operating assets and liabilities:
     Accounts receivable  .................................................................        (1,412)            (728)
     Inventories  .........................................................................          (290)            (287)
     Prepaid expenses and other current assets  ...........................................          (316)            (382)
     Accounts payable  ....................................................................           414               89
     Accrued compensation and benefits  ...................................................          (489)            (213)
     Other accrued liabilities  ...........................................................           138              594
                                                                                                  -------          -------
Net cash used in operating activities  ....................................................          (629)          (3,023)
                                                                                                  -------          -------
Investing activities
Purchases of short term investments  ......................................................            --           (1,662)
Maturities of short term investments  .....................................................         2,931            1,534
Capital expenditures  .....................................................................        (3,345)            (705)
                                                                                                  -------          -------
Net cash used in investing activities  ....................................................          (414)            (833)
                                                                                                  -------          -------
Financing activities
Proceeds from issuance of common stock  ...................................................           542               92
Proceeds from bank borrowings  ............................................................            --            4,000
Repayment of notes payable  ...............................................................          (501)              --
Repayment of equipment financing obligations  .............................................          (314)            (104)
                                                                                                  -------          -------
Net cash provided by (used in) financing activities  ......................................          (273)           3,988
                                                                                                  -------          -------
Net increase (decrease) in cash and cash equivalents  .....................................        (1,316)             132
Cash and cash equivalents at beginning of period  .........................................         5,943           11,583
                                                                                                  -------          -------
Cash and cash equivalents at end of period  ...............................................       $ 4,627          $11,715
                                                                                                  =======          =======
</TABLE>

                            See accompanying notes.

                                      -5-
<PAGE>

                           ORATEC INTERVENTIONS, INC.

                    NOTES TO CONDENSED FINANCIAL STATEMENTS

                                  (unaudited)

1. Basis of Presentation:

In the opinion of management, the accompanying unaudited condensed financial
statements contain all adjustments (all of which are normal and recurring in
nature) necessary to present fairly the financial position, results of
operations and cash flows of ORATEC Interventions, Inc. for the periods
indicated. Interim results of operations are not necessarily indicative of the
results to be expected for the full year or any other interim periods. These
condensed consolidated financial statements should be read in conjunction with
financial statements for the years ended December 31, 1998 and 1999 contained in
our Registration Statement on Form S-1 (No. 333-95815). The balance sheet at
December 31, 1999 was derived from audited financial statements; however, the
financial statements in this report are condensed and do not include all
disclosures required by generally accepted accounting principles.

2. Computation of Net Income (Loss) Per Share:

Basic net income (loss) per share is computed using the weighted-average number
of shares of stock outstanding. Diluted net income (loss) per common share is
computed using the weighted average number of common shares, redeemable
convertible preferred shares (on an as-if-converted basis) and common equivalent
shares outstanding during the period. Common equivalent shares are computed
using the treasury stock method and consist of shares outstanding related to
stock options and warrants. Common stock equivalents and redeemable convertible
preferred stock are excluded from the computation of diluted earnings per share
if their effect is anti-dilutive. Redeemable convertible preferred shares have
been treated as converted from the date of issuance in the pro forma
calculations of net income (loss) per share.

The following is a reconciliation of the computation for basic, diluted and pro
forma diluted net income (loss) per share (in thousands, except per share data):

<TABLE>
<CAPTION>

                                                          Three months ended
                                                                March 31,
                                                      ------------------------
<S>                                                   <C>           <C>
                                                          2000        1999
                                                        -------     --------
Net income (loss)                                          $206     $(3,033)
Shares used in the calculation:                         =======     ========
Weighted-average common shares outstanding
 used to compute basic net increase (loss)
 per share............................................    4,555       4,064
Weighted-average effect of dilutive
securities:
 Options..............................................    2,090          --
 Warrants.............................................      148          --
 Redeemable convertible preferred shares..............   12,080          --
                                                        -------     -------
Weighted-average shares used to compute
   diluted net income (loss) per share................   18,873       4,064
</TABLE>

                                      -6-

<PAGE>

Pro forma adjustment to reflect weighted-
average effect of assumed conversion of
redeemable convertible preferred shares................       --    12,058
                                                         -------   -------
Weighted-average shares used to compute pro
forma diluted net income (loss) per share..............   18,873    16,122
                                                         =======   =======

Net income (loss) per share:
Basic..................................................  $  0.05   $ (0.75)
                                                         =======   =======
Diluted................................................  $  0.01   $ (0.75)
                                                         =======   =======
Pro forma diluted......................................  $  0.01   $ (0.19)
                                                         =======   =======

The Company issued 4,600,000 shares of common stock at the close of its initial
public offering on April 10th, 2000. See Note 7 - Subsequent Event.

3. Comprehensive Income (Loss):

Comprehensive income (loss) is comprised of net income and other comprehensive
income (loss) such as foreign currency translation gain/loss and unrealized
gains or losses on available-for-sale marketable securities.  For the three
month periods ended March 31, 2000 and March 31, 1999, reported net income
(loss) approximated comprehensive net income (loss).

4. Balance Sheet Detail (in thousands):

<TABLE>
<CAPTION>
                                     March 31,   December 31,
                                       2000         1999
                                     ---------   -----------
<S>                                  <C>         <C>
Inventory:
 Raw materials......................    $1,328         $1,087
 Work-in-process....................       318            284
 Finished goods.....................     1,218            790
 Generators held for sale...........       674          1,087
                                        ------         ------
Total...............................    $3,538         $3,248
                                        ======         ======
Other accrued liabilities:
 Accrued professional fees..........    $  593         $  581
 Dealer commissions.................       361            299
 Clinical and development costs.....       268            189
 Other..............................       733            748
                                        ------         ------
Total...............................    $1,955         $1,817
                                        ======         ======
</TABLE>

                                      -7-
<PAGE>

5)   Recent Accounting Pronouncements

     In December 1999, the Securities and Exchange Commission ("SEC") issued
     Staff Accounting Bulletin No. 101 ("SAB 101"), "Revenue Recognition in
     Financial Statements."  SAB 101 summarizes certain of the SEC's views in
     applying generally accepted accounting principles to revenue recognition in
     financial statements.  ORATEC is required to adopt SAB 101 in the second
     quarter of fiscal 2000.  ORATEC is currently evaluating the effect of SAB
     101 on its operations and financial position.


6)   Segment Information

     ORATEC's spine and arthroscopy product sales are as follows (in thousands):

<TABLE>
<CAPTION>
                                    Three Months Ended
                                         March 31,
                                   ---------------------
                                    2000          1999
                                   -------       -------
<S>                                <C>         <C>
Spine...........................   $ 6,760       $1,697
Arthroscopy.....................     5,903        3,499
                                   -------       ------
                                   $12,663       $5,196
                                   =======       ======
</TABLE>


7)  Subsequent Event

     On April 10, 2000, ORATEC completed an initial public offering, selling
     4,600,000 shares of common stock at $14.00 per share.  This offering
     provided approximately $59.1 million in net proceeds to fund future
     operations, repayment of debt and strategic growth. At the close of this
     offering, all of the Company's 12.1 million shares of redeemable
     convertible preferred stock converted into common stock.

                                      -8-
<PAGE>

Item 2.  Management's Discussion and Analysis of Financial Condition and Results
          of Operations.

   This Management's Discussion and Analysis of Financial Condition and Results
of Operations and other parts of this Form 10-Q contain forward-looking
statements that involve risks and uncertainties. Words such as "anticipates,"
"expects," "intends," "plans," "believes," "seeks," "estimates," and similar
expressions identify such forward-looking statements. These statements are not
guarantees of future performance and are subject to risks and uncertainties,
which could cause actual results to differ materially from those expressed or
forecasted. Factors that might cause such a difference include, but are not
limited to, those discussed in the section entitled "Factors That May Affect
Future Results" and those appearing elsewhere in this Form 10-Q. Readers are
cautioned not to place undue reliance on these forward-looking statements, which
reflect management's analysis only as of the date hereof. The Company assumes no
obligation to update these forward-looking statements to reflect actual results
or changes in factors or assumptions affecting such forward-looking statements.


Overview

  ORATEC Interventions develops and markets innovative medical devices that use
controlled thermal energy to treat spine and joint disorders. From inception in
1993 until February 1997, our operations consisted primarily of various start-up
activities, including development of technologies central to our business,
recruiting personnel and raising capital. In December 1995 we gained FDA 510(k)
clearance for our first product, our TAC probe for the treatment of joint
disorders. In March 1997, after 18 months of funding scientific and clinical
studies, we formally launched this product at the American Academy of Orthopedic
Surgeons convention. We received FDA 510(k) clearance for our SpineCATH product
in March 1998 and formally launched this product at the North American Spine
Society, or NASS, conference in October 1998. In November 1999, we introduced
the new Vulcan ElectroThermal Arthroscopy System.

  All of our revenues are generated from sales of our spine and arthroscopy
products. For the three months ended March 31, 2000, 92% of our total sales was
derived from our disposable spine catheters and arthroscopy probes and 8% was
derived from sales of generators and accessories.  During the three months ended
March 31, 2000, our results of operations produced a profit for the first time
of $206,000.  This profitability is primarily attributable to increased sales of
our spine and arthroscopy products.  At March 31, 2000 we had an accumulated
deficit of $30.5 million.


  In the three months ended March 31, 2000, only 2% of our sales was derived
from markets outside the U.S., and we do not expect international sales to
increase significantly in the near future. In international markets, we expect
to rely exclusively on third-party distributors. Our gross margins on sales
through international third-party distributors were less than our gross margins
on U.S. sales as a result of price discounts. We have limited or no control over
the sales efforts of these third-party distributors.

  We recognize revenue upon shipment of products to customers or, in some
instances, when inventory provided to customers by our employees and sales
agencies has been used at their facilities as evidenced by receipt of a purchase
order. Our return policy allows customers to return unopened products up to 90
days after a sale. To date, returns have been insignificant. As is

                                      -9-
<PAGE>

common in the arthroscopy market, we have retained title to the majority of
arthroscopy generators, which we have placed with customers for their use with
our disposable arthroscopy probes. In connection with the market launch of our
spine products, we have been placing spine generators with customers for a
demonstration period, after which we convert these placements to sales.

  Our early product sales have mainly been to a group of early adopting
physicians who are receptive to minimally invasive techniques. As we gain market
share, our opportunity for further market penetration may slow and require
additional sales efforts, longer term supporting clinical data, greater
reimbursement acceptance by payors, and further training, in order to convince
physicians who currently favor open surgery or other treatment alternatives to
switch to our minimally invasive procedures.

  The medical device market is litigious.  Although we are involved in a few
product liability actions, we do not believe that any of these are material to
our business or financial condition. In addition, we may become subject to
patent proceedings. The costs of such lawsuits may be material and could affect
our earnings and financial position. An adverse outcome in a patent lawsuit
could require us to cease sales of affected products or to pay royalties, which
could harm our results of operations.

  Our future growth depends on expanding our current markets and finding new
high growth markets in which we can leverage our core technologies of applying
thermal energy to treat soft tissue disorders. To the extent any current or
additional markets do not materialize in accordance with our expectations, our
sales could be lower than expected.

Results of Operations

 Sales

  Sales increased 144% to $12.7 million for the three months ended March 31,
2000 from $5.2 million for the three months ended March 31, 1999.  The sales
increase was led by continued market adoption of our SpineCATH IntraDiscal
Electrothermal Therapy (IDET) system, for which sales have increased from $1.7
million to $6.8 million, or 298%, between the first quarter of 1999 and the
first quarter of 2000.  Our arthroscopy business increased from $3.5 million to
$5.9 million, or 69%, between the first quarter of 1999 and the first quarter of
2000, as the introduction of our Vulcan arthroscopy system led to greater
account penetration and probe utilization rates.  The increased sales in both
product lines is attributable to increased numbers of physicians trained in the
use of our products, the increasing effectiveness of our spine and arthroscopy
sales forces and the numbers of generators placed in hospitals and clinics.


 Cost of sales

     Cost of sales increased to $3.6 million for the three months ended March
31, 2000, a 29% increase from $2.8 million for the three months ended March 31,
1999.  The increase in overall cost of goods sold between the first quarter of
1999 and the first quarter of 2000 was driven by higher unit shipments, the
costs of increased manufacturing capacity and depreciation on higher numbers of
generators.  Cost of sales consists of material, labor and overhead costs, as
well as depreciation on generators placed with customers for their use with our
disposable products.

                                      -10-
<PAGE>
 Gross profit

     Gross profit increased to $9.0 million, or 71% of sales, for the three
months ended March 31, 2000 from $2.4 million, or 46% of sales, for the three
months ended March 31, 1999. The increase in overall gross profit is
attributable to sales growing at a faster pace than manufacturing and
depreciation costs and overall increases in manufacturing efficiency.

 Research and development expenses

  Research and development expenses increased 26% to $1.3 million for the three
months ended March 31, 2000 from $1.0 million for the three months ended March
31, 1999.  The increase is related to the addition of headcount and office space
for increased development efforts on next-generation spine devices and advanced
arthroscopy probes.  Research and development expenses consist of costs related
to our research and development, regulatory and clinical affairs functions, as
well as costs associated with scientific and clinical studies. We expect to
continue to make substantial investments in research and development and
anticipate that research and development expenses will continue to increase in
the future.

  Sales and marketing expenses

  Sales and marketing expenses increased 85% to $6.0 million for the three
months ended March 31, 2000 from $3.3 million for the three months ended March
31, 1999.  Increased expenses were primarily due to greater overall sales and
marketing headcount, higher commission expenses, increased marketing and
training costs and expenses associated with our reimbursement function.  Sales
and marketing expenses consist primarily of costs for sales, marketing and
reimbursement staff, sales commissions, medical conference participation and
physician training programs. We anticipate that sales and marketing expenses
will increase as we continue to develop our sales and reimbursement support
staffs and expand our physician training programs.

 General and administrative expenses

  General and administrative expenses were $1.0 million for the three months
ended March 31, 2000 and 1999.   Higher costs associated with increased
headcount and patent legal costs were largely offset by lower charges for bad
debt between the first quarter of 1999 and the first quarter of 2000.  General
and administrative expenses consist primarily of personnel costs, professional
service fees, expenses related to intellectual property rights and general
corporate expenses. We expect general and administrative expenses to increase in
the future as we add personnel, continue to expand our patent portfolio and
incur reporting and investor-related expenses as a public company.

Stock compensation expense

  Stock compensation expense was $259,000 for the three months ended March 31,
2000, compared to none for the three month period ended March 31, 1999 and
relates principally to options granted to consultants for services rendered.
The stock compensation expense for the three months ended March 31, 2000 was
based on a stock price of $12.00. To the extent that our stock price at the
end of each of the remaining quarters of 2000 is higher, this charge could
increase significantly. Stock compensation expense for consultant options is
calculated using the Black-Scholes option pricing model, in which the stock
price is one of the key variables.

 Interest and other income (expense), net

  Net interest and other expense increased 44% to $(153,000) for the three
months ended March 31, 2000 from $(106,000) for the three months ended March 31,
1999.  Higher interest expense for the three months ended March 31, 2000 related
to higher borrowings under our secured line of credit with our bank than in the
first quarter of 1999.  Net interest and other income (expense) is comprised
primarily of interest earned on short term investments, offset by interest
expense on equipment and debt obligations. We expect that our future interest
income will increase significantly and our future interest expense will decrease
significantly due to the investment of funds from our initial public offering
and the use of some of those proceeds to pay down debt balances.

                                      -11-
<PAGE>

 Provision for income taxes

  The income tax provision for the three months ended March 31, 2000 is based on
an estimated effective annual tax rate of 5%.  The income tax provision
represents primarily current state and federal minimum income taxes after
utilization of net operating loss carryforwards.

     As of December 31, 1999, we had net operating loss carryforwards of
approximately $24.1 million for federal and $4.5 million for California and
Delaware income tax purposes.  We also had research and development credit
carryforwards of $400,000 for federal income tax purposes.  The net operating
loss carryforwards will expire at various dates beginning in 2009 through 2019,
if not utilized.  Utilization of the net operating losses and credits may be
subject to a substantial annual limitation due to the ownership change
limitations of the Internal Revenue Service Code of 1986.  The annual limitation
may result in the expiration of the net operating losses before utilization.

Liquidity and Capital Resources

     Net cash used in operating activities was $629,000 for the three months
ended March 31, 2000, compared to net cash used of $3.0 million for the three
months ended March 31, 1999.  The main difference between the first quarter of
1999 and the first quarter of 2000 related to profitability in the first quarter
of 2000, which was offset by increased working capital requirements as accounts
receivable increased as a result of higher sales.

  Net cash used in investing activities was $414,000 for the three months ended
March 31, 2000, compared to $833,000 for the three months ended March 31, 1999.
Differences between the periods related to higher capital expenditures for
generators and facilities in the first quarter of 2000, partially offset by the
timing of maturities of our short term investments.

  Net cash used in financing activities was $273,000 for the three months ended
March 31, 2000, compared to net cash provided by financing activities of $4.0
million for the three months ended March 31, 1999.  Proceeds from the issuance
of common stock increased significantly in the first quarter of 2000 due to the
exercise of stock options and were more than offset by payments on debt
obligations.  During the three months ended March 31, 1999, we drew down a
subordinated debt facility for $4.0 million, which accounted for substantially
all of the financing activity for that period.

 As of March 31, 2000, our principal debt and other commitments consisted of
$3.2 million outstanding under our equipment loans, $3.4 million under our
accounts receivable credit line, $3.7 million under our subordinated debt
facility and amounts payable under various operating leases.  We expect to
increase our capital expenditures consistent with our anticipated growth in
manufacturing, infrastructure and personnel.  We also may increase our capital
expenditures as we expand our product lines or invest to address new markets.

  As of March 31, 2000, we had available debt facilities totaling approximately
$600,000 under our asset-based line of credit.  Our loan agreements with
Transamerica Business Corporation and one loan agreement with Silicon Valley
Bank require the lender's consent before we can incur additional debt.  One of
our loan agreements contains various financial covenants, including a maximum
debt to tangible net worth ratio of 3:1.  We are currently in compliance with
all covenants.

                                      -12-
<PAGE>

     Our principal source of liquidity at March 31, 2000 consisted of $4.6
million of cash and cash equivalents. In addition, we completed our initial
public offering (see Notes to Condensed Financial Statements) on April 10th,
2000, raising net proceeds of approximately $59.1 million. We believe that our
current cash position, along with cash generated from the future sales of
products, will be sufficient to meet our operating and capital requirements for
the next 18 months. If existing cash and cash generated from operations is
insufficient to satisfy our liquidity requirements, we may seek to sell
additional equity or debt securities or obtain an additional credit facility. If
additional funds are raised through the issuance of debt securities, these
securities could have rights senior to holders of common stock, and could
contain covenants that restrict our operations.  Any additional funding, if
required, may not be available in amounts or on terms acceptable to us, if at
all.  If we are unable to obtain this additional funding, if needed, we may be
required to reduce the scope of our planned product development and marketing
efforts, which could harm our results of operations and financial condition.


Factors That May Affect Future Results

  In addition to the other information in this report, the following factors
should be considered carefully in evaluating the Company's business and
prospects.


If physicians do not support the use of our products, we may not achieve future
sales growth.

  Our product sales have mainly been to a group of early adopting physicians who
are receptive to minimally invasive techniques. Other physicians may not
purchase our products until there is long term clinical evidence to convince
them to alter their existing treatment methods and recommendations from
prominent physicians that our products are effective in treating spine and joint
disorders. In addition, physicians tend to be slow to change their medical
treatment practices because of perceived liability risks arising from the use of
new products and the uncertainty of third party reimbursement. If we fail to
gain further physician support for our products, we may not achieve expected
revenues and may not sustain profitability.


Because several large insurance companies have refused to reimburse health care
providers for our procedures, physicians, hospitals and other health care
providers may be reluctant to use our products and sales may decline.

  Physicians, hospitals and other health care providers are unlikely to purchase
our products if they do not receive reimbursement from payors for the cost of
the procedures using our products. There are payors, including several large
insurance companies, that have refused to reimburse for the cost of procedures
using our products until peer reviewed clinical data has been published. In
addition, even upon the publication of peer reviewed data, payors still may not
reimburse for the procedure. The advent of contracted rates per procedure has
also made it difficult to receive reimbursement for disposable products, even if
the use of these products improves clinical outcomes.

                                      -13-
<PAGE>

Because we lack sufficient long term data regarding the safety and efficacy of
our products, we could find that our long term data does not support our current
clinical results.

  Because our spine products are supported by only two years of patient follow
up and our arthroscopy products are supported by only three years of patient
follow up, we could discover that our current clinical results cannot be
supported. If longer term patient studies or clinical experience indicate that
treatments with our products do not provide patients with sustained benefits,
our sales could decline. If longer term patient studies or clinical experience
indicate that our procedures cause tissue damage, motor impairment or other
negative effects, we could be subject to significant liability. Further, because
some of our data has been produced in studies that are not randomized and
involve small patient groups, our data may not be reproduced in wider patient
populations. In addition, we are aware of studies related to our arthroscopy
products that have produced bench data that is inconsistent with our scientific
findings. If we are unable to produce clinical data that is supported by the
independent efforts of other clinicians, our business could suffer.

Because we expect operating expenses to increase substantially in the forseeable
future and cannot be certain that revenues will continue to increase, we may not
sustain profitability.

  We anticipate that our operating expenses will increase substantially in
absolute dollars for the foreseeable future as we expand our sales and
marketing, manufacturing, product development and administrative staff. If sales
do not continue to grow, we may not be able to achieve or maintain profitability
in the future. We have incurred net losses each year since inception. In
particular, we incurred losses of $11.3 million in 1998 and $9.7 million in
1999. As of March 31, 2000, we had an accumulated deficit of approximately $30.5
million.

Because we are introducing new products and technology into the spine and
arthroscopy markets, we may fail to gain market acceptance for our products and
our business could suffer.

  We have developed products for spine and joint disorders that we believe are
not effectively addressed by existing medical devices. Because we are
introducing novel technology into these markets, we face the challenge of
gaining widespread acceptance of our products. If we fail at this task, we may
not achieve expected revenues and may not sustain profitability.


You may have a difficult time evaluating our company because we have a limited
operating history.

  You can only evaluate our business based on a limited operating history
because we began selling arthroscopy products in 1997 and spine products in
1998. This short history may not be adequate to enable you to fully assess our
ability to successfully develop our products, achieve market acceptance of our
products and respond to competition.

                                      -14-
<PAGE>

Because we face significant competition from companies with greater resources
than we have, we may be unable to compete effectively.

  The market for our products is intensely competitive, subject to rapid change
and significantly affected by new product introductions and other market
activities of industry participants. We compete with many larger companies that
enjoy several competitive advantages, including:

  .  established distribution networks;
  .  products that are supported by long term clinical data;
  .  products that have been approved for reimbursement;
  .  established relationships with health care providers and payors; and
  .  greater resources for product development, sales and marketing and patent
     litigation.

  At any time, other companies may develop additional directly competitive
products.

Because of the importance of our patent portfolio to our business, we may lose
market share to our competitors if we fail to protect our intellectual property
rights.

  Protection of our patent portfolio is key to our future success, particularly
because we compete in the medical device industry. We rely on patent protection,
as well as a combination of copyright, trade secret and trademark laws, and
nondisclosure and confidentiality agreements and other contractual restrictions
to protect our proprietary technology. However, these legal means afford only
limited protection and may not adequately protect our rights or permit us to
gain or keep any competitive advantage. For example, our patents may be
challenged, invalidated or circumvented by third parties. Our patent
applications and the notices of allowance we have received may not issue as
patents in a form that will be advantageous to us. Our patents and applications
cover particular aspects of our products and technology. There may be more
effective technologies, designs or methods. If the most effective treatment
method is not covered by our patents or applications, it could have an adverse
effect on our sales. If we lose any key personnel, we may not be able to prevent
the unauthorized disclosure or use of our technical knowledge or other trade
secrets by those former employees. Furthermore, the laws of foreign countries
may not protect our intellectual property rights to the same extent as the laws
of the U.S. Finally, even if our intellectual property rights are adequately
protected, litigation may be necessary to enforce our intellectual property
rights, which could result in substantial costs to us and result in a
substantial diversion of management attention. If our intellectual property is
not adequately protected, our competitors could use the intellectual property
that we have developed to enhance their products and compete more directly with
us, which could result in a decrease in our market share.

                                      -15-
<PAGE>

Because the medical device industry is litigious, we are susceptible to an
intellectual property suit.

  There is a substantial amount of litigation over patent and other intellectual
property rights in the medical device industry generally, and in the spine and
arthroscopy market segments particularly. Whether a product infringes a patent
involves complex legal and factual issues, the determination of which is often
uncertain. While we attempt to ensure that our products do not infringe other
parties' patents and proprietary rights, our competitors may assert that our
products and the methods they employ may be covered by U.S. patents held by
them. In consultation with our experts, we have made a careful analysis of
patents covering related technology, and, based on this analysis, we believe
that either those patents or claims are invalid, or if valid, that we do not
infringe. In addition, because patent applications can take many years to issue,
there may be applications now pending of which we are unaware, which may later
result in issued patents which our products may infringe. There could also be
existing patents that one or more of our products may inadvertently be
infringing of which we are unaware. As the number of competitors in the markets
for minimally invasive treatment of spine and joint disorders grows, the
possibility of a patent infringement claim against us increases. Infringement
and other intellectual property claims, with or without merit, can be expensive
and time consuming to litigate and divert management's attention from our core
business.

If we are sued for patent infringement, we could be prevented from selling our
products and our business could suffer.

  We are aware of the existence of patents held by competitors in the spine and
arthroscopy markets which could result in a patent lawsuit against us. However,
following a review of those patents with outside experts, we believe they are
invalid or that if valid, we do not infringe. In the event that we are subject
to a patent infringement lawsuit and if the relevant patent claims are upheld as
valid and enforceable, we believe we have defenses based on noninfringement. If
our products are found to infringe a valid patent, we could be prevented from
selling them unless we can obtain a license or are able to redesign the product
to avoid infringement. A license may not be available or if available may be on
terms unacceptable to us, or we may not be successful in any attempt to redesign
our products to avoid any infringement. Modification of our products or
development of new products could require us to conduct additional clinical
trials for these new or modified products and to revise our filings with the
FDA, which is time consuming and expensive. If we are not successful in
obtaining a license or redesigning our products, we may be unable to sell our
products and our business could suffer.

Product liability claims brought against us could result in payment of
substantial damages to plaintiffs.

  We manufacture medical devices that are used on patients in surgical
procedures, and we are thus subject to product liability lawsuits as part of our
ordinary course of business. Although we are involved in a few product liability
actions, we do not believe any of these are material to our business or
financial condition. We have reported to the FDA instances in which burns were
reported in connection with the use of our arthroscopy products and one instance
of nerve inflammation caused by an arthroscopic procedure performed on the
shoulder. We have also reported instances in which the tip of the SpineCATH
catheter broke off in the patient's body as the catheter was being removed after
the procedure and instances in which the SpineCATH catheter experienced an
electrical short during the procedure, resulting in a small burn at the entry
point on the skin. We believe that both the catheter breakage and electrical
shorts were related, in the majority of the reported instances, to
overmanipulation of the catheter which caused the

                                      -16-
<PAGE>

catheter to kink. In addition, we have reported instances in which the SpineCATH
catheter has passed outside the disc wall causing mild motor impairment. We do
not believe that any of these instances were the result of design flaws. During
1999, we sent a letter to our physician customers informing them of the close
association between catheter kinking and breakage and a safety alert emphasizing
the importance of following the correct protocol during the IDET procedure.

  Any product liability claim brought against us, with or without merit, could
result in the increase of our product liability insurance rates or the inability
to secure coverage in the future. In addition, we would have to pay any amount
awarded by a court in excess of policy limits. Our insurance policies have
various exclusions, and thus we may be subject to a product liability claim for
which we have no insurance coverage, in which case we may have to pay the entire
amount of any award. Even in the absence of a claim, our insurance rates may
rise in the future to a point where we decide not to carry this insurance.
Finally, even a meritless or unsuccessful product liability claim would be time
consuming and expensive to defend and could result in the diversion of
management's attention from our core business.


Any failure to build and manage our sales organization may negatively affect our
market share and revenues.

  We currently have two separate sales forces, one for each of our spine and
arthroscopy product lines, and we rely on a combination of direct sales
employees and sales agents to sell each product line in the U.S. We need to
expand both the spine and arthroscopy sales teams during this fiscal year to
achieve our market share and revenue growth goals. There are significant risks
involved in building and managing our spine and arthroscopy sales forces,
including:

  .  failure to manage the development and growth of two distinct sales forces;

  .  failure to adequately train both our employees and our outside sales agents
     in the use and benefits of our products; and

  .  dependence on outside agencies, over which we have limited or no control.


Any failure in our physician training efforts could significantly reduce product
sales.

  It is critical to the success of our sales effort to train a sufficient number
of physicians and to provide them adequate instruction in the use of our
products. We rely on physicians to spend their time and money to attend our
training sessions. If physicians are not properly trained, they may misuse or
ineffectively use our products. This may result in unsatisfactory patient
outcomes, patient injury, negative publicity or lawsuits against us, any of
which could have an adverse effect on our product sales.

                                      -17-
<PAGE>

If we fail to support our anticipated growth in operations, our business could
suffer.

  To succeed in the implementation of our business strategy, our management team
must rapidly execute our sales strategy and further develop products, while
managing anticipated growth by implementing effective planning and operating
processes. To manage anticipated growth in operations, we must increase our
manufacturing and quality assurance staff, expand our sales teams and expand our
manufacturing facility. Our systems, procedures and controls may not be adequate
to support our expected growth in operations.

If we fail to meet the demand for generators as we fully transition their
manufacture to internal operations, we may experience a decrease in sales.

  We transitioned the manufacture of our generators, including the Vulcan
generator, to internal operations in October 1999. We have limited experience
manufacturing generators and our internal production may have difficulty meeting
customer demand. In addition, we may be unable to obtain a sufficient number of
generators from a third party supplier to satisfy customer needs. Any failure to
manufacture a sufficient number of generators to keep pace with demand, or any
failure to make generators of sufficient quality or at a commercially reasonable
cost will lead to lower than expected generator placements and a corresponding
decrease in the sale of the disposable products.

Because we have limited control over third party distributors, we may be unable
to sell our products in international markets.

  We intend to rely on third-party distributors, over whom we have limited
control, to sell our products in international markets. We have entered into an
exclusive agreement with, and are dependent upon, DePuy AcroMed for the
marketing and sales of our spine products internationally. We also have
exclusive distributor relationships for the sale of our arthroscopy products in
foreign countries, including Australia, Belgium, Canada, Italy, the Netherlands,
Spain, Taiwan and the United Kingdom.

Because we compete with Mitek, an Ethicon division of Johnson & Johnson, in the
arthroscopy market, a conflict with them could negatively affect our
international spine sales efforts which are conducted exclusively by DePuy
AcroMed, another division of Johnson & Johnson.

  Because our exclusive international spine product distributor is affiliated
with competitors in both the spine and arthroscopy markets, they may devote
insufficient resources to sales of our products or a conflict may arise which
could disrupt international sales. If DePuy AcroMed fails to devote adequate
resources to our products, we could fail to achieve expected international
sales. If a conflict arises which we could not readily resolve, there could be a
period of declining international sales as we search for an alternative means of
international product distribution.

                                      -18-
<PAGE>

Complying with FDA and other regulations is an expensive and time consuming
process, and any failure to comply could result in substantial penalties.

  We are subject to a host of federal, state, local and international
regulations regarding the testing, manufacture, distribution, marketing,
promotion, record keeping and reporting of our products. In particular, our
failure to comply with FDA regulations could result in, among other things,
recalls of our products, substantial fines and/or criminal charges against us
and our employees.

Product sales, introductions or modifications may be delayed or canceled as a
result of the FDA regulatory process, which could cause our sales to decline.

  Before we can sell a new medical device in the U.S., we must obtain FDA
clearance, which can be a lengthy and time consuming process. The products we
market have obtained the necessary clearances from the FDA through premarket
notification under Section 510(k) of the Federal Food, Drug, and Cosmetic Act or
were exempt from the 510(k) clearance process. We have modified some of our
products, but we do not believe these modifications require us to submit new
510(k) notifications. However, if the FDA disagrees with us and requires us to
submit a new 510(k) notification for modifications to our existing products, we
may be required to stop marketing the products while the FDA reviews the 510(k)
notification, or if the FDA requires us to go through a lengthier, more rigorous
examination than we had expected, our product introductions or modifications
could be delayed or canceled, which could cause our sales to decline. In
addition, the FDA may determine that future products will require the more
costly, lengthy and uncertain premarket approval, or PMA, process.

Off label use of our products could result in substantial penalties.

  510(k) clearance only permits us to promote our products for the uses
indicated on the labels cleared by the FDA. We may request additional label
indications for our current products, and the FDA may deny those requests
outright, require additional expensive clinical data to support any additional
indications or impose limitations on the intended use of any cleared product as
a condition of clearance. If the FDA determines that we have marketed our
products for off label use, we could be subject to fines, injunctions or other
penalties.

  Our disposable probes have been cleared by the FDA for single use, but we are
aware that from time to time physicians reuse our disposable products. We have
strongly advised physicians against reuse of our products.

Our stock price, like that of many early stage medical technology companies, may
be volatile.

  If our future quarterly operating results are below the expectations of
securities analysts or investors, the price of our common stock would likely
decline. Stock price fluctuations may be exaggerated if the trading volume of
our common stock is low.

  In the past, securities class action litigation has often been brought against
a company after a period of volatility in the market price of its stock. Any
securities litigation claims brought against us could result in substantial
expense and the diversion of management's attention from our core business.

                                      -19-
<PAGE>

We may need to raise additional capital in the future and may be unable to do so
on acceptable terms.

  We may need to raise additional funds for operations and to execute our
business strategy. The sale of additional equity or convertible debt securities
could result in additional dilution to our stockholders. If additional funds are
raised through the issuance of debt securities, these securities could have
rights senior to holders of common stock, and could contain covenants that would
restrict our operations. Any additional financing may not be available in
amounts or on terms acceptable to us, if at all.

Our executive officers and directors own a large percentage of our voting stock
and could exert significant influence over matters requiring stockholder
approval after this offering.

  Immediately after this offering, our executive officers and directors, and
their respective affiliates, will continue to own a substantial percentage of
our outstanding common stock. Accordingly, these stockholders may, as a
practical matter, be able to exert significant influence over matters requiring
approval by our stockholders, including the election of directors and the
approval of mergers or other business combinations. This concentration could
have the effect of delaying or preventing a change in control.

Our certificate of incorporation, our bylaws and Delaware law contain provisions
that could discourage a takeover.

  Provisions of our certificate of incorporation, bylaws and Delaware law may
discourage, delay or prevent a merger or acquisition that a stockholder may
consider favorable.

Item 3. Quantitative and Qualitative Disclosures About Market Risk

  Our market risk disclosures have not changed significantly from those set
forth in Management's Discussion and Analysis of Financial Condition and
Results of Operations in our Form S-1 filing dated April 4, 2000 for the year
ended December 31, 1999.

PART II.  OTHER INFORMATION


Item 1.    Legal Proceedings.  From time to time we are a party to various legal
proceedings arising in the ordinary course of our business. We are not currently
subject to any material legal proceedings.


Item 2.    Changes in Securities.

  (c)  During the first quarter ended March 31, 2000, we granted options to
purchase an aggregate of 620,865 shares of Common Stock to employees and
consultants pursuant to the 1999 Stock Plan and 534,773 shares were issued to
employees and consultants on exercise of options under the Company's stock
plans.  In addition, we issued 10,000 shares to a licensor at a purchase price
of $12.00   The shares issued on exercise of options were issued for cash
consideration at exercise prices ranging from $0.001 per share to $12.00 per
share.  These issuances were deemed exempt from registration under the
Securities Act of 1933 (the "Securities Act") in reliance upon Rule 701 of the
Securities Act.

                                      -20-
<PAGE>

  (d)  On April 4, 2000, in connection with our initial public offering, a
Registration Statement on Form S-1 (No. 333-95815) was declared effective by the
Securities and Exchange Commission, pursuant to which 4,600,000 shares of our
Common Stock were sold on April 10, 2000 for the account of the Company at a
price of $14.00 per share, generating aggregate gross proceeds of $64.4 million
before payment of underwriting discounts and commissions and transaction
expenses. The managing underwriters were Merrill Lynch & Co., J.P. Morgan & Co.
and U.S. Bancorp Piper Jaffray. After deducting approximately $4.5 million in
underwriting discounts and commissions and an estimated $800,000 in other
transaction expenses, the net proceeds of the offering were approximately $59.1
million.  None of the payments for underwriting discounts and commissions and
other transaction expenses represented direct or indirect payments to directors,
officers or other affiliates of the Company. The net proceeds of the offering
have been invested in short-term, investment grade, interest bearing securities.
We intend to use such proceeds to expand sales, marketing and reimbursement
activities, to develop the Company's product lines, to repay debt, to fund
acquisitions or investments and to fund general corporate purposes, including
working capital.

As of April 30, 2000, we used $3.4 million of the net proceeds from our initial
public offering to pay down our accounts receivable credit line. None of this
repayment of indebtedness represented direct or indirect payments to debtors,
officers or other affiliates of the Company.

Item 3.  Defaults Upon Senior Securities.  Not applicable.

Item 4.  Submission of Matters to a Vote of Security Holders.

     a.  Effective January 21, 2000, our stockholders approved through an Action
by Written Consent of the Stockholders the following corporate actions:

         (i)   the adoption of the 1999 Stock Plan (the "1999 Plan") and the
reservation of 1,149,000 shares for issuance thereunder;

         (ii)  the automatic increase in shares reserved under the 1999 Plan on
the first day of each fiscal year beginning 2000, 2001 and 2002 in an amount
equal to the lesser of: (i) 4% of the shares of common stock outstanding
(assuming conversion of all shares of preferred stock outstanding) on the last
day of the immediately preceding fiscal year, (ii) 1,250,000 shares or (iii)
such lesser number of shares as the Board of Directors may determine.

    The number of votes cast in favor of the previous resolutions was 12,984,790
out of total shares outstanding of 16,494,324.

  b.  At our annual meeting of stockholders for the year ended December 31, 1999
held on March 2, 2000, our stockholders elected the following directors to serve
until the next annual meeting of stockholders or until their successors are duly
elected and qualified:

<TABLE>
<CAPTION>
                           FOR              AGAINST       WITHHELD   ABSTENTIONS
                           ----------       -------       --------   -----------
<S>                        <C>              <C>           <C>         <C>
Richard M. Ferrari         12,414,494            0         52,129     4,060,355
Kenneth W. Anstey          12,417,202            0         49,421     4,060,355
Hugh R. Sharkey            12,462,626            0         33,571     4,030,781
Stephen Brackett           12,424,844            0         42,029     4,060,105
Gary S. Fanton, M.D.       12,475,197            0         15,000     4,036,781
Patrick F. Latterell       12,418,065            0         48,558     4,060,355
Jeffrey A. Saal, M.D.      12,435,773            0          1,350     4,089,855

</TABLE>
                                      -21-
<PAGE>

Item 5.    Other Information.  Not applicable

Item 6.    Exhibits and Reports on Form 8-K.

           (a)  Exhibits:

                27.1  Financial Data Schedule

          (b)   Reports on Form 8-K:  Not applicable.

                                      -22-
<PAGE>

                                  SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.

                                       ORATEC INTERVENTIONS, INC.


                                       By: /s/ Nancy V. Westcott
                                          _________________________________
                                            Nancy V. Westcott
                                            Chief Financial Officer and Vice
                                            President of Administration

Date: May 15, 2000


<PAGE>

                                 EXHIBIT INDEX
                                 -------------

27.1 Financial Data Schedule.