<PAGE>
 
                                                                   EXHIBIT 10.49
                                        
                              INFOCURE CORPORATION

                LENGTH-OF-SERVICE NONQUALIFIED STOCK OPTION PLAN


                                   SECTION 1.
                                    PURPOSE

   The purpose of this Plan is to promote the interests of the Company by
granting Options to purchase Shares to  Employees in order (a) to attract and
retain Employees, (b) to provide an additional incentive to each Employee to
work to increase the value of Shares, and (c) to provide each Employee with a
stake in the future of the Company which corresponds to the stake of each of the
Company's shareholders.  This Plan does not provide for the grant of stock
options which qualify as incentive options under Section 422 of the Code.

                                   SECTION 2.
                                  DEFINITIONS

   Each term set forth in this Section 2 shall have the meaning set forth
opposite such term for purposes of this Plan and, for purposes of such
definitions, the singular shall include the plural and the plural shall include
the singular, and reference to one gender shall include the other gender.

   2.1 BOARD means the Board of Directors of the Company.

   2.2 CODE means the Internal Revenue Code of 1986, as amended.

   2.3 COMMITTEE means the Compensation Committee of the Board.

   2.4 COMMON STOCK means the common stock of the Company, par value $.001 per
share.

   2.5 COMPANY means InfoCure Corporation, a Delaware corporation, and any
successor to such organization.

   2.6 EMPLOYEE means an employee of the Company, a Subsidiary or a Parent.

   2.7 EXCHANGE ACT means the Securities Exchange Act of 1934, as amended.

   2.8 EXERCISE PRICE means the price which shall be paid to purchase one Share
upon the exercise of an Option granted under this Plan.

   2.9 FAIR MARKET VALUE of each Share on any date means the price determined
below on the last business day immediately preceding the date of valuation:

          (a) The closing sales price per Share, regular way, or in the absence
thereof the mean of the last reported bid and asked quotations, on such date on
the exchange having the greatest volume of trading in the Shares during the
thirty-day period preceding such date (or if such exchange was not open for
trading on such date, the next preceding date on which it was open); or

          (b) If there is no price as specified in (a), the final reported sales
price per Share, or if not reported, the mean of the closing high bid and low
asked prices in the over-the-counter market for the Shares as reported by the
National Association of Securities Dealers Automatic Quotation System, or if not
so reported, then as reported by the National Quotation Bureau Incorporated, or
if such organization is not in existence, by an organization providing similar
services, on such date (or if such date is not a date for which such system or
organization generally provides reports, then on the next preceding date for
which it does so); or
<PAGE>
 
          (c) If there also is no price as specified in (b), the price per Share
determined by the Board by reference to bid-and-asked quotations for the Shares
provided by members of an association of brokers and dealers registered pursuant
to Subsection 15(b) of the Exchange Act, which members make a market in the
Shares, for such recent dates as the Board shall determine to be appropriate for
fairly determining current market value; or

          (d) If there also is no price as specified in (c), an amount per Share
determined in good faith by the Board based on such relevant facts, which may
include opinions of independent experts, as may be available to the Board.

 
   2.10  OPTION means a nonqualified stock option granted under this Plan.

   2.11  OPTIONEE means the grantee of an Option.

   2.12  PARENT means any corporation which is a parent of the Company (within
the meaning of Code Section 424).

   2.13  PLAN means the InfoCure Corporation Length-of-Service Stock Option
Plan, as amended from time to time.

   2.14  SHARE means a share of the Common Stock of the Company.

   2.15  STOCK OPTION GRANT means the written agreement or instrument which sets
forth the terms of an Option granted to an Employee under this Plan.

   2.16  SUBSIDIARY means any corporation which is a subsidiary of the Company
(within the meaning of Code Section 424(f)).

   2.17  SURRENDERED SHARES means the Shares described in Section 11.2 which (in
lieu of being purchased) are surrendered for cash or Shares, or for a
combination of cash and Shares, in accordance with Section 11.

   2.18  TERMINATION FOR CAUSE shall have the meaning set forth in an applicable
written Employment Agreement between the Optionee and the Company or, in the
absence thereof, shall mean a termination of employment by the Company for
either (i) an act of willful misconduct or gross neglect of duties by or on the
part of the employee which damages the Company's business, or (ii) employee's
conviction of a felony.

   2.19  YEAR OF SERVICE means a twelve-month period during which an Employee
has been employed by the Company, a Parent or a Subsidiary.  For purposes of
determining the number of Years of Service completed by an Employee, any time
during which an Employee was employed by a corporation which has been acquired
by the Company, through merger or otherwise, or by a company which has been the
target of an acquisition in which InfoCure acquired a Subsidiary, or a
predecessor of any such company, shall be treated as employment by the Company.


                                   SECTION 3.
                           SHARES SUBJECT TO OPTIONS

   One hundred fifty thousand (150,000) Shares of Common Stock shall be reserved
for issuance under this Plan.  Such Shares shall be reserved, to the extent that
the Company deems appropriate, from authorized but unissued Shares, and from
Shares which have been reacquired by the Company.  Furthermore, any Shares
subject to an Option which remain after the cancellation, expiration or exchange
of such Option thereafter shall again become available for use under this Plan,
but any Surrendered Shares which remain after the surrender of an Option under
Section 11 shall not again become available for use under this Plan.

                                   SECTION 4.
                                 EFFECTIVE DATE

   The effective date of this Plan shall be September 9, 1997, subject, however,
to the requirement that the Plan shall be approved by the holders of a majority
of shares of Common Stock of the Company within one year of such effective date.

                                      -2-
<PAGE>
 
                                   SECTION 5.
                                   Committee
                                        
   This Plan shall be administered by the Committee.  The Committee acting in
its absolute discretion shall exercise such powers and take such action as
expressly called for under this Plan and, further, the Committee shall have the
power to interpret this Plan and (subject to Section 16) to take such other
action in the administration and operation of this Plan as the Committee deems
equitable under the circumstances.  The Committee's actions shall be binding on
the Company, on each affected Employee, and on each other person directly or
indirectly affected by such actions.  Notwithstanding anything else to the
contrary herein, the Board shall have the authority to assume the powers and
responsibilities outlined above with respect to the Committee, in whole or in
part.

                                   SECTION 6.
                                  ELIGIBILITY

   Only Employees shall be eligible for the grant of Options under this Plan,
but no Employee shall have the right to be granted an Option under this Plan
merely as a result of his or her status as an Employee.  Employees shall be
eligible for the grant of Options based on the number of Years of Service which
they have completed.  Upon completion of each of his or her first five Years of
Service, an Employee shall be eligible to receive an Option to purchase 50
Shares.  Upon completion of the Employee's sixth Year of Service, an Employee
shall be eligible to receive an Option to purchase 350 Shares.  Upon completion
of each Year of Service after the sixth Year of Service, Employees shall be
eligible to receive an Option to purchase 100 Shares.


                                   SECTION 7.
                                GRANT OF OPTIONS

   The Committee, acting pursuant to the procedure established by the Board,
shall either grant Options under this Plan, or recommend to the Board that
Options be granted under this Plan.  In accordance with the procedure
established by the Board, the Committee, or the Board, in its absolute
discretion, shall grant Options under this Plan from time to time to purchase
Shares and, further, shall have the right to grant new Options in exchange for
outstanding Options.  Each grant of an Option shall be evidenced by a Stock
Option Grant and each Stock Option Grant shall:

   1.  specify that the Option is not intended to qualify as an incentive stock
       option under Section 422 of the Code;

   2.  provide for four-year cliff vesting of the Option unless the Committee
       selects a different vesting schedule; and

   3.  incorporate such other terms and conditions as the Committee or the
       Board, acting in its absolute discretion, deems consistent with the terms
       of this Plan, including (without limitation) a restriction on the number
       of Shares subject to the Option which first become exercisable or subject
       to surrender during any calendar year.


                                   SECTION 8.
                                 EXERCISE PRICE

   The Exercise Price for each Share subject to an Option shall be no less than
the Fair Market Value of a Share on the date such Option is granted.  The
Exercise Price shall be payable in full upon the exercise of any Option, and a
Stock Option Grant, at the discretion of the Committee or the Board, can provide
for the payment of the Exercise Price either in cash or in Shares acceptable to
the Committee or the Board, or in any combination of cash and Shares acceptable
to the Committee or the Board.  Any payment made in Shares shall be treated as
equal to the Fair Market Value of such Shares on the date the properly endorsed
certificate for such Shares is delivered to the Committee or the Board.

   Notwithstanding the above, and in the sole discretion of the Committee or the
Board, an Option may be exercised as to a portion or all (as determined by the
Committee or the Board) of the number of Shares specified in the Stock Option
Grant by delivery to the Company of a promissory note, such promissory note to
be executed by the Optionee and which shall include, with such other terms and
conditions as the Committee or the Board shall determine, provisions in a form
approved by the Committee or the Board under which (i) the balance of the
aggregate purchase price shall be payable in equal installments over such period
and shall bear interest at such rate (which shall not be less than the prime
bank loan rate

                                      -3-

<PAGE>
 
as determined by the Committee or the Board) as the Committee or the Board shall
approve and (ii) the Optionee shall be personally liable for payment of the
unpaid principal balance and all accrued but unpaid interest.

                                   SECTION 9.
                                EXERCISE PERIOD

   Each Option granted under this Plan shall be exercisable in whole or in part
at such time or times as set forth in the related Stock Option Grant, but no
Stock Option Grant shall:

       1. make an Option exercisable before the date such Option is granted; or

       2. make an Option exercisable after the earlier of the:

           (a) the date such Option is exercised in full;

           (b) the date which is the tenth (10th) anniversary of the date such
               Option is granted;

           (c) thirty (30) days following termination of employment; or,

           (d) in the case of a Termination for Cause only, the date of
               termination of employment.

 
                                  SECTION 10.
                               NONTRANSFERABILITY

   No Option granted under this Plan shall be transferable by an Employee other
than by will or by the laws of descent and distribution, and such Option shall
be exercisable during an Employee's lifetime only by the Employee, as the case
may be.  The person or persons to whom an Option is transferred by will or by
the laws of descent and distribution thereafter shall be treated as the
Employee.

                                  SECTION 11.
                              SURRENDER OF OPTIONS

   11.1  GENERAL RULE.  The Committee or the Board, acting in its absolute
discretion, may incorporate a provision in a Stock Option Grant to allow an
Employee to surrender his or her Option in whole or in part in lieu of the
exercise in whole or in part of that Option on any date that:

       1.  the Fair Market Value of the Shares subject to such Option exceeds
           the Exercise Price for such Shares, and

       2.   the Option to purchase such Shares is otherwise exercisable.

   11.2  PROCEDURE.  The surrender of an Option in whole or in part shall be
effected by the delivery of the Stock Option Grant to the Committee or the
Board, together with a statement signed by the Employee which specifies the
number of Shares ("Surrendered Shares") as to which the Employee surrenders his
or her Option and how he or she desires payment be made for such Surrendered
Shares.

   11.3  PAYMENT.  In exchange for his or her Surrendered Shares, the Employee
shall receive a payment in cash or in Shares, or in a combination of cash and
Shares, equal in amount on the date such surrender is effected to the excess of
the Fair Market Value of the Surrendered Shares on such date over the Exercise
Price for the Surrendered Shares.  The Committee or the Board, acting in its
absolute discretion, can approve or disapprove an Employee's request for payment
in whole or in part in cash and can make that payment in cash or in such
combination of cash and Shares as the Committee or the Board deems appropriate.
A request for payment only in Shares shall be approved and made in Shares to the
extent payment can be made in whole shares of Shares and (at the Committee's or
the Board's discretion) in cash in lieu of any fractional Shares.

                                      -4-
<PAGE>
 
   11.4  RESTRICTIONS.  Any Stock Option Grant which incorporates a provision to
allow an Employee to surrender his or her Option in whole or in part also shall
incorporate such additional restrictions on the exercise or surrender of such
Option as the Committee or the Board deems necessary to satisfy the conditions
to the exemption under Rule 16b-3 (or any successor exemption) to Section 16(b)
of the Exchange Act.

                                  SECTION 12.
                            SECURITIES REGISTRATION

   Each Stock Option Grant may provide that, upon the receipt of Shares as a
result of the surrender or exercise of an Option, the Employee shall, if so
requested by the Company, hold such Shares for investment and not with a view of
resale or distribution to the public and, if so requested by the Company, shall
deliver to the Company a written statement satisfactory to the Company to that
effect.  Each Stock Option Grant may also provide that, if so requested by the
Company, the Employee shall make a written representation to the Company that he
or she will not sell or offer to sell any of such Shares unless a registration
statement shall be in effect with respect to such Shares under the Securities
Act of 1933, as amended ("1933 Act"), and any applicable state securities law
or, unless he or she shall have furnished to the Company an opinion, in form and
substance satisfactory to the Company, of legal counsel acceptable to the
Company, that such registration is not required.  Certificates representing the
Shares transferred upon the exercise or surrender of an Option granted under
this Plan may at the discretion of the Company bear a legend to the effect that
such Shares have not been registered under the 1933 Act or any applicable state
securities law and that such Shares may not be sold or offered for sale in the
absence of an effective registration statement as to such Shares under the 1933
Act and any applicable state securities law or an opinion, in form and substance
satisfactory to the Company, of legal counsel acceptable to the Company, that
such registration is not required.

                                  SECTION 13.
                                  LIFE OF PLAN

   No Option shall be granted under this Plan on or after the earlier of:

       1.  the tenth (10th) anniversary of the effective date of this Plan (as
           determined under Section 4 of this Plan), in which event this Plan
           otherwise thereafter shall continue in effect until all outstanding
           Options have been surrendered or exercised in full or no longer are
           exercisable, or

       2.  the date on which all of the Shares reserved under Section 3 of this
           Plan have (as a result of the surrender or exercise of Options
           granted under this Plan) been issued or no longer are available for
           use under this Plan, in which event this Plan also shall terminate on
           such date.

                                  SECTION 14.
                                   ADJUSTMENT

   The number of Shares reserved under Section 3 of this Plan, and the number of
Shares subject to Options granted under this Plan, and the Exercise Price of
such Options shall be adjusted by the Committee in an equitable manner to
reflect any change in the capitalization of the Company, including, but not
limited to, such changes as stock dividends or stock splits.  Furthermore, the
Committee or the Board shall have the right to adjust the number of Shares
reserved under Section 3 of this Plan, and the number of Shares subject to
Options granted under this Plan, and the Exercise Price of such Options in the
event of any corporate transaction (including, without limitation, a merger,
consolidation, acquisition of property or stock, separation, reorganization or
liquidation) described in Code Section 424(a) which provides for the
substitution or assumption of such Options.  If any adjustment under this
Section 14 creates a fractional Share or a right to acquire a fractional Share,
such fractional Share shall be disregarded, and the number of Shares reserved
under this Plan and the number subject to any Options granted under this Plan
shall be the next lower number of Shares, rounding all fractions downward.  An
adjustment made under this Section 14 by the Committee or the Board shall be
conclusive and binding on all affected persons and, further, shall not
constitute an increase in the number of Shares reserved under Section 3 of this
Plan.

                                      -5-
<PAGE>
 
                                  SECTION 15.
                         SALE OR MERGER OF THE COMPANY

   If the Company agrees to sell substantially all of its assets for cash or
property, or for a combination of cash and property, or agrees to any merger,
consolidation, reorganization, division or other transaction in which Shares are
converted into another security or into the right to receive securities or
property and such agreement does not provide for the assumption or substitution
of the Options granted under this Plan, each Option shall become fully vested
and immediately exercisable.


                                   SECTION 16.
                            AMENDMENT OR TERMINATION

   This Plan may be amended by the Committee or the Board from time to time to
the extent that the Committee or the Board deems necessary or appropriate;
provided, however, no such amendment shall be made absent the approval of the
shareholders of the Company (1) to increase the number of Shares reserved under
Section 3 except as set forth in Section 14, (2) to extend the maximum life of
the Plan under Section 13 or the maximum exercise period under Section 9, (3) to
decrease the minimum Exercise Price under Section 8, or (4) to change the
designation of Employees eligible for Options under Section 6.  The Committee or
the Board also may suspend the granting of Options under this Plan at any time
and may terminate this Plan at any time; provided, however, the Company shall
not have the right to modify, amend or cancel any Option granted before such
suspension or termination unless (1) the Employee consents in writing to such
modification, amendment or cancellation or (2) there is a dissolution or
liquidation of the Company or a transaction described in Section 14 or Section
15 of this Plan.

                                  SECTION 17.
                                 Miscellaneous

   18.1  SHAREHOLDER RIGHTS.  No Employee shall have any rights as a shareholder
of the Company as a result of the grant of an Option to him or to her under this
Plan or his or her exercise or surrender of such Option pending the actual
delivery of Shares subject to such Option to such Employee.

   18.2  NO CONTRACT OF EMPLOYMENT.  The grant of an Option to an Employee under
this Plan shall not constitute a contract of employment and shall not confer on
an Employee any rights upon his or her termination of employment in addition to
those rights, if any, expressly set forth in the Stock Option Grant which
evidences his or her Option.

   18.3  WITHHOLDING.  The exercise or surrender of any Option granted under
this Plan shall constitute an Employee's or full and complete consent to
whatever action the Committee or the Board directs to satisfy the federal and
state tax withholding requirements, if any, which the Committee or the Board in
its discretion deems applicable to such exercise or surrender.

   18.4  TRANSFER.  The transfer of an Employee between or among the Company, a
Subsidiary or a Parent shall not be treated as a termination of his or her
employment under this Plan.

   18.5  CONSTRUCTION.  This Plan shall be construed under the laws of the State
of Delaware.

                                      -6-