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