EXHIBIT 10.64

                        FIRST AMENDMENT AND WAIVER TO
                               CREDIT AGREEMENT

     THIS FIRST AMENDMENT AND WAIVER TO CREDIT AGREEMENT is made and dated as 
of April 6, 1998 (the "FIRST AMENDMENT") among FOUNDATION HEALTH SYSTEMS, 
INC. (the "COMPANY"), the Banks party to the Credit Agreement referred to 
below, and BANK OF AMERICA NATIONAL TRUST AND SAVINGS ASSOCIATION, a national 
banking association, as Administrative Agent (the "AGENT"), and amends that 
certain Credit Agreement dated as of July 8, 1997 (as amended or modified 
from time to time, the "CREDIT AGREEMENT").

                                   RECITALS

     WHEREAS, the Company has requested the Agent and the Banks to amend 
certain provisions of the Credit Agreement, and the Agent and the Banks are 
willing to do so, on the terms and conditions specified herein;

     NOW, THEREFORE, for good and valuable consideration, the receipt and 
adequacy of which are hereby acknowledged, the parties hereby agree as 
follows:

     1.   TERMS. All terms used herein shall have the same meanings as in the 
Credit Agreement unless otherwise defined herein.

     2.   AMENDMENT. The Credit Agreement is hereby amended as follows:

          2.1   AMENDMENTS TO SECTION 1.01.

          (a)   There shall be added to Section 1.01 of the Credit Agreement, 
in appropriate alphabetical sequence, the following new definitions reading 
as follows:

     "RESTRICTED INDEBTEDNESS" means all Indebtedness of the Company or its 
     Subsidiaries, other than Specified Indebtedness, incurred after December 
     31, 1997 and pursuant to Section 7.05(e).

     "SPECIFIED INDEBTEDNESS" means up to an aggregate of $200,000,000 of (a) 
     Indebtedness of the Company or any Subsidiary, other than any 
     Indebtedness for borrowed money or Commercial Paper Debt and (b) 
     Indebtedness of the Company or a Subsidiary assumed or issued in 
     connection with Permitted Acquisition, in either case, incurred after 
     December 31, 1997 and pursuant to Section 7.05(e).

     "WORKERS COMPENSATION DISPOSITION" means the sale or other disposition 
     by the Company after December 31, 1997 of its discontinued workers 
     compensation businesses.

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          (b)   The definition of the term "Adjusted EBITDA" in Section 1.01 
of the Credit Agreement is hereby amended by adding the following clause 
immediately prior to the end thereof:

     "minus (iii) the aggregate losses, reserves and charges for the 
     Company's workers' compensation business after December 31, 1997 to the 
     extent that the aggregate amount thereof exceeds the $25,000,000 reserve 
     set forth in the definition of the term "Specified Charges."

          (c)   The definition of the term "Applicable Level" in Section 1.01 
of the Credit Agreement is hereby amended and restated in its entirety to 
read as follows:

          "APPLICABLE LEVEL" means one of the levels set forth below 
     determined by the Senior Unsecured Debt Rating as follows:

                "LEVEL 1" means any period during which the Senior Unsecured 
          Debt Rating is better than or equal to at least one of the 
          following ratings: (i) A- by S&P and/or (ii) A3 by Moody's.

                "LEVEL 2" means any period (other than a Level 1 Period) 
          during which the Senior Unsecured Debt Rating is better than or 
          equal to at least one of the following ratings: (i) BBB+ by S&P 
          and/or (ii) Baal by Moody's.

                "LEVEL 3" means any period (other than a Level 1 Period or 
          Level 2 Period) during which the Senior Unsecured Debt Rating is 
          better than or equal to at least one of the following ratings: (i) 
          BBB by S&P and/or (ii) Baa2 by Moody's.

                "LEVEL 4" means any period (other than a Level 1 Period, 
          Level 2 Period or Level 3 Period) during which the Senior Unsecured 
          Debt Rating is better than or equal to at least one of the 
          following ratings: (i) BBB- by S&P and/or (ii) Baa3 by Moody's.

                "LEVEL 5" means any period (other than a Level 1 Period, 
          Level 2 Period, Level 3 Period or Level 4 Period) during which the 
          Senior Unsecured Debt Rating is better than or equal to at least 
          one of the following ratings: (i) BB+ by S&P and/or (ii) Ba1 by 
          Moody's.

                "LEVEL 6" means any period (other than a Level 1 Period, 
          Level 2 Period, Level 3 Period, Level 4 Period or Level 5 Period) 
          during which the Senior Unsecured Debt Rating is better than or 
          equal to at least one of the following ratings: (i) BB by S&P 
          and/or (ii) Ba2 by Moody's.


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                "LEVEL 7" means any period (other than a Level 1 Period, 
          Level 2 Period, Level 3 Period, Level 4 Period, Level 5 Period or 
          Level 6 Period) during which the Senior Unsecured Debt Rating is 
          better than or equal to at least one of the following ratings: (i) 
          BB- by S&P and/or (ii) Ba3 by Moody's.

                "LEVEL 8" means any period other than a Level 1 Period, 
          Level 2 Period, Level 3 Period, Level 4 Period, Level 5 Period, 
          Level 6 Period or Level 7 Period.

          For purposes of the foregoing, (a) if the Senior Unsecured Debt 
     Ratings fall within different Levels, the Applicable Level shall be 
     based upon the higher (numerically lower) of the available Levels unless 
     (i) such Levels are more than one Level apart, in which case, except as 
     provided in clause (ii) below, the Applicable Level shall be one Level 
     higher than the lower Level or (ii) one of such Levels is Level 7 or 
     Level 8, in which case the Applicable Level shall be based upon the 
     lower (numerically higher) of the Levels; (b) if only one Senior 
     Unsecured Debt Rating exists, the Applicable Level shall be based upon 
     the Level in which such rating falls; and (c) if no Senior Unsecured 
     Debt Rating shall be available, the Applicable Level shall be Level 8.

          (d)   The definition of the term "Applicable Margin" in Section 
1.01 of the Credit Agreement is hereby amended and restated in its entirety 
to read as follows:

          "APPLICABLE MARGIN" means, in the case of Facility Fees, Base Rate 
     Committed Loans or Offshore Rate Committed Loans, a rate per annum 
     determined by reference to the Applicable Level as follows:




     APPLICABLE         APPLICABLE BASE RATE          APPLICABLE OFFSHORE       FACILITY
     LEVEL                   MARGIN                      RATE MARGIN              FEE
     -----              --------------------          -------------------       --------
                                                                       

     Level 1             0.000%                        0.200%                    0.100%

     Level 2             0.000%                        0.225%                    0.125%

     Level 3             0.000%                        0.250%                    0.150%

     Level 4             0.000%                        0.325%                    0.175%

     Level 5             0.000%                        0.550%                    0.200%

     Level 6             0.000%                        0.775%                    0.225%

     Level 7             0.250%                        1.250%                    0.250%

     Level 8             0.700%                        1.700%                    0.300%



     The Applicable Margin shall be effective on the earlier of the date on 
which such rating change is publicly announced or on the date written 
confirmation of a change in the Senior Unsecured Debt Rating is sent to the 
Company by S&P or Moody's.

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          (e)   The definition of the term "Fixed Charges" in Section 1.01 of 
the Credit Agreement is hereby amended by adding the following clause 
immediately prior to the end thereof:

     ", each of the foregoing shall exclude all effects of the Company's 
     workers compensation business, including, for the quarters ending on or 
     before December 31, 1997, the amounts set forth on Part 2 of Schedule 
     1.01."

          (f)   The first clause in the definition of the term "Net Cash 
Flow" in Section 1.01 of the Credit Agreement is hereby amended and restated 
in its entirety to read as follows:

     "(before the Specified Charges, extraordinary gains and losses and all 
     one-time acquisition related costs and expenses incurred by the Company 
     in connection with a Permitted Acquisition and excluding all effects of 
     the Company's workers compensation business, including, for the quarters 
     ending on or before December 31, 1997, the amounts set forth on Part 2 
     of Schedule 1.01)";

and the following clause shall be added immediately prior to the end of such 
definition:

     "and minus (iv) the aggregate losses, reserves and charges for the 
     Company's workers' compensation business after December 31, 1997 to the 
     extent that the aggregate amount thereof exceeds the $25,000,000 reserve 
     set forth in the definition of the term "Specified Charges."

          (g)   The definition of the term "Specified Charges" in Section 
1.01 of the Credit Agreement is hereby amended and restated in its entirety 
to read as follows:

          "SPECIFIED CHARGES" means those items, and only those items, set 
     forth on Part 1 of Schedule 1.01 hereof.

          (h)   There shall be added to the Credit Agreement a new Schedule 
1.01 reading in its entirety as set forth on Schedule 1.01 hereto.

          2.2   AMENDMENTS TO SECTION 2.09. Section 2.09 of the Credit 
Agreement is hereby amended and restated to read in its entirety as follows:

          2.09  MANDATORY REDUCTION OF COMMITMENTS AND REPAYMENT OF LOANS.

               (a)   Subject to Section 3.04, the Company shall ratably 
     prepay Committed Loans with all net cash proceeds (less costs of sale) 
     from the Workers Compensation Disposition. The Company shall give the 
     Administrative Agent not less than one Business Day's notice of such 
     prepayment, and such notice of prepayment shall specify the date and 
     amount of such prepayment and the Type(s) of Committed Loans to be 
     prepaid. The Administrative Agent will promptly notify each Bank of its 
     receipt of 


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     any such notice, and of such Bank's Pro Rata Share of such prepayment. 
     If such notice is given by the Company, the Company shall make such 
     prepayment and the payment amount specified in such notice shall be due 
     and payable on the date specified therein, together with, in the case of 
     Offshore Rate Committed Loans only, accrued interest to each such date 
     on the amount prepaid and any amounts required pursuant to Section 3.04.

               (b)   Subject to Section 3.04, the Company shall ratably prepay
     Committed Loans by an amount equal to the first $250,000,000 of net cash 
     proceeds from any Restricted Indebtedness and 50% of any such net cash 
     proceeds in excess of $250,000,000. The Company shall give the 
     Administrative Agent not less than one Business Day's notice of such 
     prepayment, and such notice of prepayment shall specify the date and 
     amount of such prepayment and the Type(s) of Committed Loans to be 
     prepaid. The Administrative Agent will promptly notify each Bank of its 
     receipt of any such notice, and of such Bank's Pro Rata Share of such 
     prepayment. If such notice is given by the Company, the Company shall 
     make such prepayment and the payment amount specified in such notice 
     shall be due and payable on the date specified therein, together with, 
     in the case of Offshore Rate Committed Loans only, accrued interest to 
     each such date on the amount prepaid and any amounts required pursuant 
     to Section 3.04. On the date such prepayment is required to be made, the 
     aggregate Commitments shall automatically and permanently be reduced by 
     an amount equal to the first $250,000,000 of net cash proceeds from any 
     Restricted Indebtedness and 50% of such net cash proceeds in excess of 
     $250,000,000 from any Restricted Indebtedness.

               (c)   The Company shall repay to the Banks on the Revolving 
     Termination Date the aggregate principal amount of Committed Loans 
     outstanding on such date.

               (d)   The Company shall repay each Bid Loan on the last day of 
     the relevant Interest Period.

          2.3   AMENDMENT TO SECTION 7.02. Section 7.02 of the Credit 
Agreement is hereby amended by replacing the period at the end thereof with 
"; and" and by adding the following clause immediately thereafter:

     "(e) the Workers Compensation Disposition; PROVIDED that all net cash 
     proceeds therefrom (less costs of sale) shall promptly thereafter (and 
     in no event later than 30 days after the closing thereof) be applied by 
     the Company to prepay the Committed Loans pursuant to Section 2.09(a)."

          2.4   AMENDMENT TO SECTION 7.05. Section 7.05 of the Credit 
Agreement is hereby amended and restated as follows:

                "7.05 LIMITATION ON INDEBTEDNESS. The Company shall not, and 
     shall not suffer or permit any Subsidiary to, create, incur, assume, 
     suffer to exist, or 

                                       -5-


     otherwise become or remain directly or indirectly liable with respect 
     to, any Indebtedness, except:

                (a)   Indebtedness incurred pursuant to this Agreement;

                (b)   Indebtedness consisting of Contingent Obligations 
     permitted pursuant to Section 7.08;

                (c)   Indebtedness existing on December 31, 1997 and set forth 
     in SCHEDULE 7.05 and any renewals, extensions, replacements and refundings 
     of such Indebtedness;

                (d)   Indebtedness secured by Liens permitted by Sections 
     7.01(h) and (i) in an aggregate amount outstanding not to exceed 
     $150,000,000;

                (e)   other Indebtedness incurred after December 31, 1997 in an 
     aggregate amount not to exceed $1,000,000,000, so long as (i) (A) such 
     Indebtedness (other than Specified Indebtedness) is not senior in right 
     of payment to the Obligations, contains no covenants, events of default 
     or other material provisions that are more restrictive than those 
     contained in this Agreement, and has principal payment dates commencing 
     after July 8, 2002 and (B) the net cash proceeds of such Indebtedness 
     (other than Specified Indebtedness) shall be applied by the Company to 
     prepay the Committed Loans and reduce the Commitments pursuant to 
     Section 2.09(b) and (ii) not more than $150,000,000 of all Indebtedness 
     permitted under this subsection (e) may be Indebtedness of Subsidiaries; 
     and 

          (f)   Commercial Paper Debt."

          2.5   AMENDMENT TO SECTION 7.11. Section 7.11 of the Credit 
Agreement is hereby amended by adding the following sentence immediately 
prior to the end thereof:

                "The Company will not, and will not permit any of its 
     Subsidiaries to, make any payment or prepayment of any Restricted 
     Indebtedness on any day other than the stated scheduled date for such 
     payment set forth in such Restricted Indebtedness or redeem, purchase or 
     defease any Restricted Indebtedness prior to its stated maturity."

          2.6   AMENDMENT TO SECTION 7.12. 

                (a)   Clause (a) of Section 7.12 of the Credit Agreement is 
hereby amended and restated in its entirety to read as follows:

                "(a) the Total Leverage Ratio, as of any date set forth 
below, to exceed the ratio set forth below opposite such date:

                                       -6-




                  Date                  Maximum Total Leverage Ratio
                  ----                  ----------------------------
                                     

            December 31, 1997                   3.50 to 1.00
            March 31, 1998                      4.00 to 1.00
            June 30, 1998                       3.75 to 1.00
            September 30, 1998                  3.50 to 1.00
            December 31, 1998                   3.25 to 1.00
            Thereafter                          3.00 to 1.00;"


                (b)   Clause (b) of Section 7.12 of the Credit Agreement is 
hereby amended and restated to read in its entirety as follows:

                "(b)  the Fixed Charges Coverage Ratio, as of any date set 
forth below, to be less than the ratio set forth below opposite such date:



                  Date               Minimum Fixed Charges Coverage Ratio
                  ----               ------------------------------------
                                  

            December 31, 1997                   2.50 to 1.00
            March 31, 1998                      2.25 to 1.00
            June 30, 1998                       1.50 to 1.00
            September 30, 1998                  1.50 to 1.00
            December 31, 1998                   1.75 to 1.00
            Thereafter                          2.00 to 1.00;"


                (c)   Clause (c) of Section 7.12 of the Credit Agreement is 
hereby amended by inserting the phrase "(without giving effect to any 
losses)" after the date "June 30, 1997" in the third line thereof.

     3.   WAIVER. By their execution hereof, the Banks hereby confirm that 
the waivers set forth in that certain waiver letter dated March 5, 1998 to 
the Company have become permanent.

     4.   REPRESENTATIONS AND WARRANTIES. The Company represents and warrants 
to the Agent and the Banks that, on and as of the date hereof, and after 
giving effect to this First Amendment;

          4.1   AUTHORIZATION. The execution, delivery and performance by the 
Company of this First Amendment has been duly authorized by all necessary 
corporate action, and this First Amendment has been duly executed and 
delivered by the Company.

          4.2   BINDING OBLIGATION. This First Amendment constitutes the 
legal, valid and binding obligations of the Company, enforceable against it 
in accordance with its terms, except as enforceability may be limited by 
applicable bankruptcy, insolvency, or similar laws

                                       -7-


affecting the enforcement of creditors' rights generally or by equitable 
principles relating to enforceability.

          4.3   NO LEGAL OBSTACLE TO AMENDMENT. The execution, delivery and 
performance of this First Amendment will not (a) contravene the Organization 
Documents of the Company; (b) constitute a breach or default under any 
contractual restriction or violate or contravene any law or governmental 
regulation or court decree or order binding on or affecting the Company which 
individually or in the aggregate does or could reasonably be expected to have 
a Material Adverse Effect; or (c) result in, or require the creation or 
imposition of, any Lien on any of the Company's properties. No approval or 
authorization of any governmental authority is required to permit the 
execution, delivery or performance by the Company of this First Amendment, or 
the transactions contemplated hereby.

          4.4   INCORPORATION OF CERTAIN REPRESENTATIONS. After giving effect 
to the terms of this First Amendment, the representations and warranties of 
the Company set forth in Article V of the Credit Agreement are true and 
correct in all respects on and as of the date hereof as though made on and as 
of the date hereof, except as to such representations made as of an earlier 
specified date.

          4.5   DEFAULT. Taking into account the effectiveness of the waiver 
letter referenced in Section 3 hereof, no Default or Event of Default under 
the Credit Agreement has occurred and is continuing.

     5.   CONDITIONS, EFFECTIVENESS. The effectiveness of this First 
Amendment shall be subject to the compliance by the Company with its 
agreements herein contained, and to the delivery of the following to Agent in 
form and substance satisfactory to Agent:

          5.1   AUTHORIZED SIGNATORIES. A certificate, signed by the 
Secretary or an Assistant Secretary of the Company and dated the date of this 
First Amendment, as to the incumbency of the person or persons authorized to 
execute and deliver this First Amendment and any instrument or agreement 
required hereunder on behalf of the Company.

          5.2   AUTHORIZING RESOLUTIONS. A certificate, signed by the 
Secretary or an Assistant Secretary of the Company and dated the date of this 
First Amendment, as to the resolutions of the Company's board of directors 
authorizing the transactions contemplated by this First Amendment.

          5.3   AMENDMENT FEE. Payment to the Agent, (i) for the PRO RATA 
benefit of each Bank executing this First Amendment on or before 2:00 p.m., 
Pacific time, on April 6, 1998, of an amendment fee in an amount equal to 
 .075% of the aggregate amount of the Commitments held by the Banks that have 
executed this First Amendment and (ii) for the PRO RATA benefit of each Bank 
that delivered a written commitment to execute this First Amendment by 4:00 
p.m., Pacific time, on or before March 27, 1998, an additional fee in an 
amount equal to .075% of the 

                                       -8-


aggregate amount of the Commitments held by the Banks that delivered such 
written commitments.

          5.4   OTHER EVIDENCE. Such other evidence with respect to the 
Company or any other person as the Agent or any Bank may reasonably request 
to establish the consummation of the transactions contemplated hereby, the 
taking of all corporate action in connection with this First Amendment and 
the Credit Agreement and the compliance with the conditions set forth herein.

     6.   MISCELLANEOUS. 

          6.1   EFFECTIVENESS OF THE CREDIT AGREEMENT AND THE NOTES. Except 
as hereby expressly amended, the Credit Agreement and the Notes shall each 
remain in full force and effect, and are hereby ratified and confirmed in all 
respects on and as of the date hereof.

          6.2   WAIVERS. This First Amendment is limited solely to the 
matters expressly set forth herein and is specific in time and in intent and 
does not constitute, nor should it be construed as, a waiver or amendment of 
any other term or condition, right, power or privilege under the Credit 
Agreement or under any agreement, contract, indenture, document or instrument 
mentioned therein; nor does it preclude or prejudice any rights of the Agent 
or the Banks thereunder, or any exercise thereof or the exercise of any other 
right, power or privilege, nor shall it require the Majority Banks to agree 
to an amendment, waiver or consent for a similar transaction or on a future 
occasion, nor shall any future waiver of any right, power, privilege or 
default hereunder, or under any agreement, contract, indenture, document or 
instrument mentioned in the Credit Agreement, constitute a waiver of any 
other right, power, privilege or default of the same or of any other term or 
provision. 

          6.3   COUNTERPARTS. This First Amendment may be executed in any 
number of counterparts, and all of such counterparts taken together shall be 
deemed to constitute one and the same instrument. This First Amendment shall 
not become effective until the Company, the Agent and the Majority Banks 
shall have signed a copy hereof and the same shall have been delivered to the 
Agent.

          6.4   GOVERNING LAW. This First Amendment shall be governed by and 
construed in accordance with the laws of the State of California. 



                                       -9-


     IN WITNESS WHEREOF, the parties hereto have caused this First Amendment 
to be duly executed and delivered as of the date first written above.

                                                 FOUNDATION HEALTH SYSTEMS, INC.

                                                       [/s/ SIGNATURE]

                                                 BANK OF AMERICA NATIONAL TRUST
                                                 AND SAVINGS ASSOCIATION,
                                                 as Administrative Agent


                                                       [/s/ SIGNATURE]

                                                 [NOTE: Signature blocks for 
                                                 other Banks and Schedules are 
                                                 not included with this copy]



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