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