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