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