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