| 1199SEIU in Fountain Valley, CA | AMERIGROUP in Fountain Valley, CA |
| APS Healthcare in Fountain Valley, CA | Aetna in Fountain Valley, CA |
| Alliance in Fountain Valley, CA | AmeriHealth in Fountain Valley, CA |
| American Behavioral in Fountain Valley, CA | Beech Street in Fountain Valley, CA |
| Behavioral Health Systems in Fountain Valley, CA | BlueCross and/or BlueShield in Fountain Valley, CA |
| CCN in Fountain Valley, CA | CHIPA/College Health in Fountain Valley, CA |
| Cascade Health in Fountain Valley, CA | Ceridian in Fountain Valley, CA |
| ChoiceCare in Fountain Valley, CA | Cigna in Fountain Valley, CA |
| ComPsych in Fountain Valley, CA | Corphealth in Fountain Valley, CA |
| Coventry in Fountain Valley, CA | First Choice Health in Fountain Valley, CA |
| First Health in Fountain Valley, CA | GHI/Group Health Incorporated in Fountain Valley, CA |
| Great-West in Fountain Valley, CA | Guardian in Fountain Valley, CA |
| HFN in Fountain Valley, CA | HIP/Health Plan of New York in Fountain Valley, CA |
| Harvard Pilgrim Health Care in Fountain Valley, CA | Health Net in Fountain Valley, CA |
| Holman Group in Fountain Valley, CA | Horizon Healthcare in Fountain Valley, CA |
| Humana in Fountain Valley, CA | Integrated Health Plan in Fountain Valley, CA |
| Interplan in Fountain Valley, CA | Kaiser in Fountain Valley, CA |
| LifeWise in Fountain Valley, CA | MAMSI in Fountain Valley, CA |
| MHN/Managed Health Network in Fountain Valley, CA | Magellan Behavioral Health in Fountain Valley, CA |
| MagnaCare in Fountain Valley, CA | Medica in Fountain Valley, CA |
| Medicaid in Fountain Valley, CA | Medical Mutual in Fountain Valley, CA |
| Medicare in Fountain Valley, CA | Multiplan in Fountain Valley, CA |
| NCPPO in Fountain Valley, CA | ODS in Fountain Valley, CA |
| Oxford in Fountain Valley, CA | PHCS/Private Health Care Systems in Fountain Valley, CA |
| PPOM in Fountain Valley, CA | PacifiCare in Fountain Valley, CA |
| PacificSource in Fountain Valley, CA | PreferredOne in Fountain Valley, CA |
| Providence in Fountain Valley, CA | Sloans Lake in Fountain Valley, CA |
| TRICARE in Fountain Valley, CA | TriWest0127 in Fountain Valley, CA |
| Tufts in Fountain Valley, CA | UniCare in Fountain Valley, CA |
| Uniform in Fountain Valley, CA | United in Fountain Valley, CA |
| VMC in Fountain Valley, CA | ValueOptions in Fountain Valley, CA |
| WellPoint in Fountain Valley, CA |
