- MUSC Health Kershaw Medical Center
- MUSC Health Lancaster Medical Center
- MUSC Health Leatherman Behavioral Health Pavilion
- MUSC Health Marion Medical Center
- MUSC Health Medical University of South Carolina Rehabilitation Hospital
- MUSC Health - Orangeburg
- MUSC Health Shawn Jenkins Childrens Hospital
- Muscogee Creek Nation Long Term Acute Care Hospital
- Muscogee Creek Nation Medical Center
- MyMichigan Medical Center Alma
- MyMichigan Medical Center Alpena
- MyMichigan Medical Center Clare
- MyMichigan Medical Center Gladwin
- MyMichigan Medical Center Midland
- MyMichigan Medical Center Saginaw
- MyMichigan Medical Center Sault
- MyMichigan Medical Center Standish
- MyMichigan Medical Center Tawas
- MyMichigan Medical Center West Branch
- Myrtue Medical Center
- Nacogdoches Medical Center
- Nacogdoches Memorial Hospital
- Nantucket Cottage Hospital
- Nash General Hospital
- Nashville General Hospital
- Natchaug Hospital
- Natchitoches Regional Medical Center
- Nathan Littauer Hospital
- National Institutes of Health Clinical Center
- National Jewish Health