- St Vincent General Hospital District
- St Vincent Heart Center of Indiana
- St Vincent Regional Hospital
- St Vincents Behavioral Health Westport
- St Vincents Hospital Westchester
- St Vincents Medical Center
- Suburban Community Hospital
- Suburban Hospital
- Sullivan County Community Hospital
- Sullivan County Memorial Hospital
- Summa Health Behavioral Health Institute
- Summa Health System - Akron Campus
- Summa Health System - Barberton Campus
- Summa Rehab Hospital
- Summerlin Hospital Medical Center
- Summers County ARH Hospital
- Summersville Regional Medical Center
- Summerville Medical Center
- Summit Behavioral Healthcare Hospital
- Summit Healthcare Regional Medical Center
- Summit Medical Center
- Summit Medical Center
- Summit Oaks Hospital
- Summit Pacific Medical Center
- SummitRidge Hospital
- SUN Behavioral Columbus
- SUN Behavioral Delaware
- SUN Behavioral Houston
- SUN Behavioral Kentucky
- Suncoast Behavioral Health Center