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