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