- Saint Bernards Healthcare
- Saint Charles Health System
- Saint Claire Regional Medical Center
- Saint Clair Memorial Hospital
- Saint Dominic Health Services
- Saint Elizabeth Healthcare
- Saint Francis Healthcare System
- Saint Francis Health System
- Saint Joseph Medical Center
- Saint Josephs Candler Health System
- Saint Josephs Healthcare System
- Saint Lawrence Health System
- Saint Lukes Episcopal Presbyterian Hospital
- Saint Lukes Health System
- Saint Lukes Health System (KCMO)
- Saint Lukes Hospital of Duluth
- Saint Lukes University Health Network (SLUHN)
- Saint Peters Healthcare System
- Salem Health
- Salina Regional Health Center
- Salinas Valley Memorial Healthcare System
- Samaritan Health Services
- Samaritan Health System
- San Antonio Regional Hospital
- Sanford Health
- San Francisco Health Network
- San Juan Regional Medical Center
- Santa Clara Valley Health and Hospital System
- Sarah Bush Lincoln Health System
- Sarasota Memorial Health Care System