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