- Shriners Childrens - New England
- Signature Healthcare Brockton Hospital
- Southcoast Behavioral Health
- South Shore Hospital
- Spaulding Hospital for Continuing Medical Care Cambridge
- Spaulding Rehabilitation Hospital Boston
- Spaulding Rehabilitation Hospital Cape Cod
- St Elizabeths Medical Center
- St Lukes Hospital
- Sturdy Health
- TaraVista Behavioral Health Center
- Taunton State Hospital
- Tewksbury Hospital
- Tobey Hospital
- Tufts Medical Center
- UMass Memorial Childrens Medical Center
- UMass Memorial HealthAlliance Clinton Hospital - Clinton Campus
- UMass Memorial HealthAlliance Clinton Hospital - Leominster Campus
- UMass Memorial Health - Harrington
- UMass Memorial Health - Milford Regional Medical Center
- UMass Memorial Marlborough Hospital
- UMass Memorial Medical Center - Memorial Campus
- UMass Memorial Medical Center - University Campus
- University of Massachusetts Amherst Health Services
- Valley Springs Behavioral Health Hospital
- Vibra Hospital of Southeastern Massachusetts
- Vibra Hospital of Western Massachusetts - Central Campus
- Walden Behavioral Care
- Westborough Behavioral Healthcare Hospital
- Western Massachusetts Hospital