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