| University of Massachusetts Medical School | University of Massachusetts Medical School |
| University of Massachusetts Memorial Medical Center | University of Massachusetts Memorial Medical Center |
| UMass Memorial Medical Center | UMass Memorial Medical Center |
| UMass Memorial Medical Center - University Campus | UMass Memorial Medical Center - University Campus |
| UMASS Memorial Cancer Center - University Campus | UMASS Memorial Cancer Center - University Campus |
| Reliant Medical Group | Reliant Medical Group |
| St. Vincent Hospital | St. Vincent Hospital |
| Vitreo-Retinal Associates, PC | Vitreo-Retinal Associates, PC |
| New England Regional Headache Center Inc | New England Regional Headache Center Inc |
| Fallon Clinic | Fallon Clinic |
| Umass Memorial Medical Center- Memorial Campus | Umass Memorial Medical Center- Memorial Campus |
| Partners in Internal Medicine, PC | Partners in Internal Medicine, PC |
| University of Massachusetts Medical School - Infectious Diseases and Immunology | University of Massachusetts Medical School - Infectious Diseases and Immunology |
| Med Ctr of Central Massachusetts | Med Ctr of Central Massachusetts |
| UMASS Medical School Advanced MRI Center | UMASS Medical School Advanced MRI Center |
| Saint Vincent Hospital/Reliant Medical Group | Saint Vincent Hospital/Reliant Medical Group |
| University of Massachusetts - colon & rectal surgery | University of Massachusetts - colon & rectal surgery |
| University of Massachusetts Memorial Medical Center Department of Pediatrics | University of Massachusetts Memorial Medical Center Department of Pediatrics |
| Family Health Center of Worcester | Family Health Center of Worcester |
| UMASS - Neurology | UMASS - Neurology |
| University of Massachusetts Memorial Health Center; Arthritis and Total Joint Center | University of Massachusetts Memorial Health Center; Arthritis and Total Joint Center |
| Meyers Primary Care Institute | Meyers Primary Care Institute |
| Edward M Kennedy Health Center (Great Brook Valley Health Center) | Edward M Kennedy Health Center (Great Brook Valley Health Center) |
| Univ of Massachusetts Med Ctr / Biotech II | Univ of Massachusetts Med Ctr / Biotech II |
| AIDS Project Worcester | AIDS Project Worcester |
| University of Massachusetts-Worchester | University of Massachusetts-Worchester |
| University of Massachusetts Memorial Children's Medical Center | University of Massachusetts Memorial Children's Medical Center |
| AdCare Hospital of Worcester, Inc. | AdCare Hospital of Worcester, Inc. |
| University of Massachusetts Worcester, Site #152 | University of Massachusetts Worcester, Site #152 |