Document:

EMPLOYMENT AGREEMENT

      This Employment Agreement ("Agreement") is entered into as of May 1, 2005,
by and between American CareSource Holdings, Inc., a Delaware corporation (the
"Company"), a wholly-owned subsidiary of Patient Infosystems, Inc, and David
Boone ("Employee").

      In consideration of the mutual covenants and conditions set forth herein,
and other good and valuable consideration, the receipt and sufficiency of which
is hereby acknowledged, the parties hereby agree as follows:

1. Employment. The Company hereby employs Employee in the capacity of Chief
Financial Officer. Employee accepts such employment and agrees to perform such
services as are customary to such office and as shall from time to time be
assigned to him by the President or CEO of the Company.

2. Term. The employment hereunder shall be for a period commencing on May 2,
2005 (the "Commencement Date") and ending on April 30, 2006 (the "Initial
Term"), unless earlier terminated as provided in Section 5. This Agreement shall
be automatically renewed for successive one-year periods upon the expiration of
the Initial Term unless earlier terminated as provided in Section 5. Employee's
employment will be on a full-time business basis requiring the devotion of
substantially all of his productive business time for the efficient and
successful operation of the business of the Company with the exception of pre
approved positions such as outside board membership etc.

3. Compensation and Benefits

      3.1 Salary. For the performance of Employee's duties hereunder, the
Company shall pay Employee an annual salary in the amount of $200,000 (the "Base
Compensation").

      3.2 Bonus Plan. Employee shall be entitled to a bonus determined at the
sole discretion of the Board of Directors of the Company or the Compensation
Committee thereof pursuant to a bonus compensation plan provided in written
detail to Employee within a reasonable time prior to the beginning of the period
of time from which the performance of the Employee would be evaluated and
measured for such bonus. In any event, Employee's minimum bonus earned at the
one year anniversary date of the Commencement Date shall be $35,000.

      3.3 Stock Options.

            (a) From time to time the Company may grant to Employee options
under the Company's Stock Option Plan to purchase shares of the Company's common
stock at a stated exercise price per share. Any options granted will vest and be
exercisable in accordance with a Stock Option Agreement to be executed pursuant
to the Company's Stock Option Plan.

      Effective on the date of this Agreement, the Company shall grant to
Employee an option under its Stock Option Plan to purchase160,000 shares of
Common Stock vesting one third from the date hereof and 1/36th per month
thereafter.

      3.4 Benefits. Employee shall be entitled to such medical, disability and
life insurance coverage and such vacation, sick leave and holiday benefits, if
any, and any other benefits as are made available to the Company's personnel,
all in accordance with the Company's benefits program in effect from time to
time and employee shall accrue four weeks vacation over 12 months from date
hereof. The Employee is responsible for paying the employee's portion of the
benefit costs. The benefits provided to Employee under this Section 3.4 shall
terminate 60 days after a Termination Event pursuant to Section 5 hereof.

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      3.5 Reimbursement of Expenses. Employee shall be entitled to be reimbursed
for all reasonable expenses, including but not limited to expenses for travel,
meals and entertainment, incurred by Employee in connection with and reasonably
related to the furtherance of the Company's business. Employee shall submit
expense reports and receipts documenting the expenses incurred in accordance
with Company policy.

      4. Change of Control. In the event of a Change of Control of the Company
(as defined below), all options and other equity incentives then granted to
Employee, if any, which are unvested at the date of the Change of Control shall
immediately vest and be exercisable.

            In addition, in lieu of the provisions of Section 5.2(b), in the
event of a termination of Employee's employment hereunder by the Company with or
without Cause, or by Employee with or without Good Reason (as defined below),
within 12 months following a Change of Control, the Company will promptly pay
Employee, in lieu of the amounts required under Section 5.2(b) and in addition
to the amounts required under Section 5.2(a), a severance amount, payable in a
lump sum immediately upon such termination of employment, equal to six (6)
months base compensation.

            As used herein, a "Change of Control" of the Company shall mean any
of the following: (i) the acquisition by any person (individual, entity or
group) of direct or beneficial ownership of more than 50% of the then
outstanding shares of the Company and, for this purpose, the terms "person" and
"beneficial ownership" shall have the meanings provided in Section 13(d) or
14(d) of the Securities Exchange Act of 1934 or related rules promulgated by the
Securities and Exchange Commission; (ii) the commencement of or public
announcement of an intention to make a tender or exchange offer for more than
50% of the then outstanding Shares of the common stock of the Company; (iii) a
sale of all or substantially all of the assets of the Company; or (iv) the Board
of Directors of the Company, in its sole and absolute discretion, determines
that there has been a sufficient change in the stock ownership of the Company to
constitute a change in control of the Company. Notwithstanding the foregoing,
the following acquisitions shall not constitute a "Change of Control": (1) any
spinoff or dividend distribution transaction separating the Company from its
parent; (2) any acquisition by the Company; or (3) any acquisition by any
employee benefit plan (or related trust) sponsored or maintained by the Company
or any corporation controlled by the Company.

5. Termination

      5.1 Termination Events. The employment hereunder will terminate upon the
occurrence of any of the following events ("the Termination Event"):

            (a) Employee dies, in which case the Company shall continue to pay
the Base Compensation to the estate of the Employee for a period of ninety (90)
days after such death;

            (b) The Company, by written notice to Employee or his personal
representative, discharges Employee due to the inability to continue to perform
the duties previously assigned to him prior to such injury or disability
hereunder for a continuous period exceeding 180 days by reason of injury,
physical or mental illness or other disability, which condition has been
certified by a physician acceptable to the Company; provided, however, that
prior to discharging Employee due to such disability, the Company shall give a
written statement of findings to Employee or his personal representative setting
forth specifically the nature of the disability and the resulting performance
failures, and Employee shall have a period of thirty (30) days thereafter to
respond in writing to the Company's findings, whereupon the Company shall
conduct a reasonable and fair hearing with the Employee and any supporting
witnesses and evidence for the Employee to reach a final determination;

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<PAGE>

            (c) Employee is discharged by the Company for "Cause". As used in
this Agreement, the term "Cause" shall mean:

                  (i) Employee's final and unappealed conviction of (or pleading
guilty or "nolo contendere" to) any felony or a misdemeanor involving dishonesty
or moral turpitude; provided, however, that prior to discharging Employee for
Cause, the Company shall give a written statement of findings to Employee
setting forth specifically the grounds on which Cause is based, and Employee
shall have a period of ten (10) days thereafter to respond in writing to the
Company's findings; or

                  (ii) The willful and continued failure of Employee to
substantially perform his duties with the Company (other than any such failure
resulting from illness or disability) after written demand of no less than ten
(10) days for substantial performance is requested by the Company, which demand
specifically identifies the manner in which it is claimed Employee has not
substantially performed his duties, or (b) Employee is willfully and
continuously engaged in material misconduct which has, or would reasonably be
expected to have, a direct and material adverse monetary effect on the Company.
For purposes of this Section 5, no act or failure to act on Employee's part
shall be considered "willful" if done, or omitted to be done, by Employee in
good faith and with reasonable belief that Employee's action or omission was in,
or not opposed to, the best interest of the Company. No termination shall be
effected for "Cause" unless Employee has been provided with specific written
information as to the acts or omissions which form the basis of the allegation
of for "Cause", and Employee has had an opportunity to be heard, with counsel if
he so desired, before the Company determines, by majority vote, in good faith,
that Employee was guilty of conduct constituting for "Cause" as herein defined,
specifying the particulars thereof in detail.

            (d) Employee is discharged by Company "without Cause", which the
Company may do at any time, with at least thirty (30) days advance written
notice, subject to the full performance of the obligations of the Company to the
Employee for Base Compensation and bonus payments pursuant to Section 5.2; or

            (e) Employee voluntarily terminates his employment due to "Good
Reason", which shall mean a material default by the Company in the performance
of any of its obligations hereunder, which default remains uncured by the
Company for a period of thirty (30) days following receipt of written notice
thereof to the Company from Employee or

            (f) Employee voluntarily terminates his employment without Good
Reason, which Employee may do at any time with at least 30 days advance notice.

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<PAGE>

      5.2 Effects of Termination

            (a) Upon termination of Employee's employment hereunder for any
reason, the Company will promptly pay Employee all Base Compensation owed to
Employee and all bonuses earned, as previously defined in writing by the
Company, and unpaid through the date of termination (including, without
limitation, salary and employee expenses reimbursements). Employee shall be paid
for any performance bonus plan then in effect on a pro rata basis for that
period of time during the fiscal year in which termination occurs, but such
amount, if any shall only be paid at a commensurate time as other employees are
paid their bonus amounts.

            (b) Upon termination of Employee's employment under Sections 5.1(b),
(d) or (e), the Company shall pay Employee, commencing immediately upon such
termination of employment, monthly (or biweekly at the Company's discretion)
amounts equal to the then applicable Base Compensation, excluding bonus, for a
period of six (6) months after termination. Employee may retain laptop and
portable phone provided all corporate and confidential information has been
removed by technical support.

            (c) Upon termination of Employee's employment hereunder pursuant to
Sections -5.1 (b), (c), (d), or (f), Employee agrees that for the twelve (12)
month period following the Termination Event:

                  (i) Employee will not directly or indirectly, whether as an
individual, employee, director, consultant or advisor, or in any other capacity
whatsoever, provide services to any person, firm, corporation or other business
enterprise which is involved in the business of disease management, ancillary
claims management, or ancillary benefits management in competition with the
Company, unless he obtains the Company's prior written consent.

                  (ii) Employee will not directly or indirectly encourage or
solicit, or attempt to encourage or solicit, any individual to leave the
Company's employ for any reason or interfere in any other manner with the
employment relationships at the time existing between the Company and its
current employees.

                  (iii) Employee will not induce or attempt to induce any
provider, agent, customer, supplier, distributor, licensee or other business
relation of the Company to cease doing business with the Company or in any way
interfere with the existing business relationship between any such providers,
agent, customer, supplier, distributor, licensee or other business relation and
the Company.

      Employee acknowledges that monetary damages may not be sufficient to
compensate the Company for any economic loss, which may be incurred by reason of
breach of the foregoing restrictive covenants. Accordingly, in the event of any
such breach, the Company shall, in addition to any remedies available to the
Company at law, be entitled to obtain equitable relief in the form of an
injunction, precluding Employee from continuing to engage in such breach.

      If any restriction set forth in this paragraph is held to be unreasonable,
then Employee and the Company agree, and hereby submit, to the reduction and
limitation of such prohibition to such area or period as shall be deemed
reasonable

            (d) Following a Termination Event, Employee agrees not to make to
any person, including but not limited to customers of the Company, any statement
that disparages the Company or which reflects negatively upon the Company,
including but not limited to statements regarding the Company's financial
condition, its officers, directors, shareholders, employees and affiliates. The
Company agrees not to make to any person, including but not limited to customers
of the Company, any statement that disparages Employee or which reflects
negatively upon Employee, including but not limited to statements regarding his
financial condition.

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<PAGE>

6. General Provisions

      6.1 Assignment. Neither party may assign or delegate any of his or its
rights or obligations under this Agreement without the prior written consent of
the other party.

      6.2 Entire Agreement. This Agreement contains the entire agreement between
the parties with respect to the subject matter hereof and supersedes any and all
prior agreements between the parties.

      6.3 Modifications. This Agreement may be changed or modified only by an
agreement in writing signed by both parties hereto.

      6.4 Prior Agreements. This Agreement supercedes all prior written and
verbal agreements with the Company and/or its Board of Directors and shall
govern all future employment obligations.

      6.5 Successors and Assigns. The provisions of this Agreement shall inure
to the benefit of, and be binding upon, the Company and its successors and
permitted assigns and Employee and Employee's legal representatives, heirs,
legatees, distributees, assigns and transferees by operation of law, whether or
not any such person shall have become a party to this Agreement and have agreed
in writing to join and be bound by the terms and conditions hereof.

      6.6 Governing Law. This Agreement shall be governed by, construed and
enforced in accordance with, the laws of the State of Texas, and venue and
jurisdiction for any disputes hereunder shall be heard in any court of competent
jurisdiction in Dallas, Texas for all purposes.

      6.7 Severability. If any provision of this Agreement is held by a court of
competent jurisdiction to be invalid, void or unenforceable, the remaining
provisions shall nevertheless continue in full force and effect.

      6.7 Further Assurances. The parties will execute such further instruments
and take such further actions as may be reasonably necessary to carry out the
intent of this Agreement.

      6.8 Notices. Any notices or other communications required or permitted
hereunder shall be in writing and shall be deemed received by the recipient when
delivered personally or, if mailed, five (5) days after the date of deposit in
the United States mail, certified or registered, postage prepaid and addressed,
in the case of the Company, to:

                CEO and Chairman
                American CareSource Holdings, Inc.
                ____________________________
                ____________________________
                ____________________________

and in the case of Employee, to the address shown for Employee on the signature
page hereof, or to such other address as either party may later specify by at
least ten (10) days advance written notice delivered to the other party in
accordance herewith.

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<PAGE>

      6.9 No Waiver. The failure of either party to enforce any provision of
this Agreement shall not be construed as a waiver of that provision, nor prevent
that party thereafter from enforcing that provision of any other provision of
this Agreement.

      6.10 Legal Fees and Expenses. In the event of any disputes under this
Agreement, each party shall be responsible for their own legal fees and expenses
which it may incur in resolving such dispute, unless otherwise prohibited by
applicable law or a court of competent jurisdiction.

      6.11 Counterparts. This Agreement may be executed in counterparts, each of
which shall be deemed to be an original, but all of which together shall
constitute one and the same instrument.

IN WITNESS WHEREOF, the Company and Employee have executed this Agreement,
effective as of the day and year first above written.

American CareSource Holdings, Inc.

By: /s/ Wayne Shellhammer
    -----------------------------------

EMPLOYEE:

By: /s/ David Boone
    ------------------------------------
David Boone

Address_________________________________

________________________________________

________________________________________

                                       6[LOGO OF WELLS FARGO]       Wells Fargo Bank,
                            National Association          Personal Guaranty
================================================================================

Wells Fargo Bank,  National Association       American CareSource Holdings, Inc.
666 Walnut Street, PO Box 837                 8080 Tristar Drive, Suite 100
Des Moines, Iowa 50304-0837                   Irving, TX 75063
(the "Bank")                                  (the "Borrower")

Dated: February 2, 2005

      FOR VALUABLE CONSIDERATION, and to induce the Bank in its sole discretion
to make loans or extend other accommodations to or for the account of the
Borrower, the undersigned gives this Personal Guaranty (the "Guaranty"), and
absolutely and unconditionally guarantees to the Bank the full and prompt
payment of each and every debt, liability or obligation of the Borrower to the
Bank relating to or arising out of the First Addendum to Credit Agreement dated
to be effective February 2, 2005, together with any deposit account related
overdrafts of the Borrower. (All such obligations, including but not limited to
every promissory note, instrument, or other agreement given by the Borrower
evidencing any such obligations, and any extensions, renewals, replacements or
refinancings of same, to collectively be referred to as the "Indebtedness".)

      This Guaranty is an absolute, unconditional and continuing guaranty of
payment of the Indebtedness and shall continue to be binding upon the
undersigned, whether or not all Indebtedness is paid in full, until this
Guaranty is revoked prospectively in writing as to future transactions. Such
revocation shall not be effective until actually received in writing by the Bank
and then shall not be effective as to Indebtedness existing or committed to at
the time of revocation, and shall not be effective as to renewals, extensions,
or refinancings of existing Indebtedness, whether such Indebtedness is renewed
before or after receipt of such notice of revocation. The death or incompetence
of the undersigned shall not revoke this Guaranty until written notice of such
death or incompetence is actually received by the Bank, and then only
prospectively as to future transactions as set forth above.

      Notwithstanding the preceding paragraphs, the liability of the undersigned
under this Guaranty shall be limited to a principal amount of $750,000.00, plus
accrued interest on the full amount of the Indebtedness and all attorneys' fees,
collection costs and enforcement expenses incurred by the Bank in collecting on
and enforcing its rights under the Indebtedness and incurred in connection with
the protection, defense or enforcement of this Guaranty in any litigation or
bankruptcy proceedings. The Indebtedness may be created and continued in any
amount, whether or not in excess of such principal amount, without reducing or
impairing the liability of the undersigned under this Guaranty. Any payment made
by the undersigned under this Guaranty shall be effective to reduce or discharge
the undersigned's liability only if accompanied by a written transmittal
document, received by the Bank and advising it that such payment is made under
this Guaranty for such purpose.

      The undersigned further acknowledges and agrees with Bank that:

1. No act or event need occur to establish the liability of the undersigned
under this Guaranty, and no act or event, except full payment and discharge of
all Indebtedness, shall exonerate and discharge the liability of the undersigned
under this Guaranty.

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<PAGE>

2. If the undersigned dies or becomes insolvent (however defined) then the Bank
may declare immediately due and payable the obligations of the undersigned under
this Guaranty, and the undersigned shall immediately pay to the Bank the full
amount of all Indebtedness, whether due and payable or unmatured. If the
undersigned voluntarily commences or there is commenced involuntarily against
the undersigned a case under the United States Bankruptcy Code, the obligations
of the undersigned under this Guaranty shall immediately be due and payable
without the necessity of demand or notice.

3. The undersigned will not exercise or enforce any right of contribution,
reimbursement, recourse or subrogation available to the undersigned against the
Borrower or any person liable for payment of the Indebtedness, or as to any
collateral securing the Indebtedness, unless and until all of the Indebtedness
shall have first been fully paid and discharged.

4. The Bank may in its discretion enter into transactions resulting in the
creation or continuance of Indebtedness, without notice to or the consent or
approval of the undersigned, regardless of whether or not any existing
relationship between the Borrower and the undersigned has been revoked and
regardless of whether this Guaranty has been revoked.

5. The liability of the undersigned shall not be reduced or impaired by any of
the following acts or events (which the Bank, after advance notification to the
Undersigned, is expressly authorized to do, omit or suffer from time to time,
both before and after revocation of this Guaranty, without the consent or
approval of the undersigned): (a) any acceptance of collateral security,
guarantors, accommodation parties or sureties for any or all of the
Indebtedness; (b) any one or more extensions or renewals of Indebtedness
(whether or not for a period longer than the original period) or any
modification of the interest rate, maturity or other contractual terms
applicable to all or part of the Indebtedness; (c) any waiver or indulgence
granted to Borrower, any delay or lack of diligence in the enforcement of the
Indebtedness, or any failure to institute proceedings, file a claim, give any
required notices or otherwise protect any of the Indebtedness; (d) any full or
partial release of, settlement with, or agreement not to sue, Borrower or any
other guarantor or other person liable with respect to any of the Indebtedness;
(e) any discharge of any evidence of Indebtedness or the acceptance of any
instrument renewing or refinancing the Indebtedness; (f) any failure to obtain
collateral security (including rights of setoff) for the Indebtedness, or to
assure its proper or sufficient creation, perfection, or priority, or to
protect, insure, or enforce any collateral security; or any modification,
substitution, discharge, impairment, or loss of such collateral security; (g)
any foreclosure or enforcement of any collateral security by the Bank or any
other creditor of the Borrower with a security interest in the collateral
security; (h) any assignment or transfer of any Indebtedness or documentation
evidencing the Indebtedness; (i) any order of application of any payments or
credits upon the Indebtedness from the Borrower, the undersigned, or any other
person; and (j) any election by the Bank under ss.1111(b)(2) of the United
States Bankruptcy Code.

6. The undersigned waives any and all defenses, claims and discharges of
Borrower, or any other obligor, pertaining to the Indebtedness, except the
defense of discharge by payment in full. Without limiting the generality of the
preceding sentence, the undersigned will not assert, plead or enforce against
the Bank any defense of waiver, release, discharge in bankruptcy, statute of
limitations, res judicata, statute of frauds, anti-deficiency statute,
misrepresentation or fraud, incapacity, minority, usury, illegality or
unenforceability which may be available to Borrower or any other party liable
for payment of any of the Indebtedness, or any setoff available against the Bank
to Borrower or any such other person, whether or not on account of a related
transaction. The undersigned shall be liable for any deficiency remaining after
foreclosure of any mortgage, deed of trust or security interest securing the
Indebtedness, whether or not the liability of the Borrower or any other obligor
for such deficiency is discharged pursuant to statute or judicial decision.

7. The Bank may in its sole discretion demand that the undersigned discharge its
obligations under this Guaranty at any time, whether at the time of the
scheduled or accelerated maturity of the Indebtedness or at any earlier or later
time, and regardless of whether there has been a default with respect to the
Indebtedness. The Bank shall not be required to first resort for payment of the
Indebtedness to the Borrower or to any other person or their properties, or to
first enforce, realize upon, or exhaust any collateral security given to secure
the Indebtedness before enforcing this Guaranty. The undersigned waives
presentment, demand for payment, notice of dishonor or nonpayment, and protest
of any instrument evidencing part or all of the Indebtedness.

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<PAGE>

8. If any payment applied by the Bank to the Indebtedness is later set aside,
recovered, rescinded or required to be returned for any reason (including,
without limitation, the bankruptcy, insolvency or reorganization of the Borrower
or any other obligor), the Indebtedness to which such payment was applied shall
for the purposes of this Guaranty be deemed to have continued in existence,
notwithstanding such application, and this Guaranty shall be enforceable as to
such Indebtedness as fully as if such application had never been made.

9. The liability of the undersigned under this Guaranty is in addition to and
cumulative with all other liabilities of the undersigned to the Bank as a
guarantor or otherwise, without limitation as to amount, unless the instrument
or agreement evidencing or creating such other liability specifically provides
to the contrary.

10. This Guaranty shall be enforceable regardless of the failure of other
persons to sign other guaranties of the Indebtedness. This Guaranty shall be
effective upon delivery to the Bank, without further act, condition or
acceptance by the Bank, shall be binding upon the undersigned and the heirs,
representatives, successors and assigns of the undersigned for the benefit of
the Bank and its participants, successors and assigns. Any invalidity or
unenforceability of any provision or application shall not affect other lawful
provisions and applications of this Guaranty, which is severable. This Guaranty
may not be waived, modified, amended, terminated, released or otherwise changed
except by a writing signed by both the undersigned and the Bank. This Guaranty
is issued in and shall be governed by the laws of the State of Iowa.

--------------------------------------------------------------------------------
                        WAIVER OF RIGHT TO TRIAL BY JURY

The undersigned hereby waives the right to a trial by jury in any action
relating to this Guaranty
--------------------------------------------------------------------------------

      IN WITNESS WHEREOF, this Guaranty has been duly executed on the above date
by the undersigned. Undersigned acknowledges receipt of a copy of this
agreement.

                                                     /s/ Derace L. Schaffer
                                                     ---------------------------
                                                     Derace L. Schaffer

                                                     Address:
                                                     ___________________________
                                                     ___________________________
                                                     ___________________________

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