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