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