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