Exhibit 21

Subsidiaries of Health Net, Inc. as of January 31, 2007

Health Net, Inc. (DE)(95-4288333)

(All Subsidiaries wholly owned unless otherwise indicated)

• Health Net of California, Inc. (CA)(95-4402957)

• Health Net Life Insurance Company (CA)(73-0654885)

• Health Net Life Reinsurance Company (Cayman Islands) (98-0409907)

• Health Net Community Solutions, Inc. (54-2174068)

• Health Net of California Real Estate Holdings, Inc. (54-2174069)

• Health Net of the Northeast, Inc. (DE)(06-1116976)

• FOHP, Inc. (NJ)(22-3314813)

• Health Net of New Jersey, Inc. (NJ)(22-3241303)

• Health Net Services (Bermuda) Ltd. (Bermuda)(98-0153069)

• Health Net of Connecticut, Inc. (CT)(06-1084283)

• Health Net of New York, Inc. (NY)(06-1174953)

• Health Net Insurance of New York, Inc. (NY)(13-3584296)

• Health Net Insurance Services, Inc. (CT)(06-1254380)

• QualMed, Inc. (DE)(84-1175468)

• QualMed Plans for Health of Colorado, Inc. (CO)(84-0975985)

• Health Net Health Plan of Oregon, Inc. (OR)(93-1004034)

• HSI Advantage Health Holdings, Inc. (DE)(23-2867299)

• QualMed Plans for Health of Ohio and West Virginia, Inc. (OH)(25-1803681)

• QualMed Plans for Health of Western Pennsylvania, Inc. (PA)(23-2867300)

• Pennsylvania Health Care Plan, Inc. (PA)(25-1516632)

• Health Net of Pennsylvania, LLC (PA)

• FH Surgery Limited, Inc. (CA)(68-0390434)

• FH Surgery Centers, Inc. (CA)(68-0390435)

• Greater Sacramento Surgery Center Limited Partnership (CA) (68-0343818)*

• Foundation Health Facilities, Inc. (CA)(68-0390438)

• FH Assurance Company (Cayman Islands)(98-0150604)

• Memorial Hospital of Gardena, Inc. (CA)(33-0466850)

• Health Net Federal Services, LLC (DE)(68-0214809)

• Health Net Federal Services of Hawaii, Inc. (HI) (99-0240224)

• Health Net Preferred Providers, LLC (DE)(61-1388903)

• Network Providers, LLC (DE) (88-0357895)

• Health Net Pharmaceutical Services (CA)(68-0295375)

• Health Net of Arizona Administrative Services, Inc. (AZ)(86-0660443)

• Health Net of Arizona, Inc.(AZ)(36-3097810)

• Managed Health Network, Inc. (DE)(95-4117722)

• Health Management Center, Inc. (MA) (04-2742159)

• MHN Services of Wisconsin, Inc. (WI)(39-1528989)

• Managed Health Network (CA)(95-3817988)

• MHN Services (CA)(95-4146179)

• MHN Services IPA, Inc. (NY)(13-4027559)

• MHN Services of Connecticut, LLC (DE)(42-1680917)

• MHN Government Services, Inc. (DE) (42-0680916)

• MHN Global Services, Inc. (DE) (51-0589404)

• Catalina Behavioral Health Services, Inc. (AZ)(51-0490598)

• Health Net Services, Inc. (DE)(94-3037822)

• National Pharmacy Services, Inc. (DE)(84-1301249)

• Integrated Pharmacy Systems, Inc. (PA)(23-2789453)**

• QualMed Plans for Health of Pennsylvania, Inc. (PA)(23-2456130)

• Health Net One Payment Services, Inc. (DE) (54-2153100)

* FH Surgery Centers, Inc. and FH Surgery Limited, Inc. own general and limited partnership units, respectively, representing slightly over 50% of the total equity of Greater Sacramento Surgery Center Limited Partnership (which specific percentage fluctuates from time to time)

** National Pharmacy Services, Inc. owns approximately 90% of the outstanding common stock.