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