- Sabetha Community Hospital
- Sabine County Hospital
- Sabine Medical Center
- Sacramento Medical Center
- Sacred Heart Hospital Gulf
- Sacred Heart Hospital On The Emerald Coast
- Sacred Heart Pensacola
- Sacred Heart Rehabilitation
- Sacred Oak Medical Center
- Saddleback Memorial Medical Center
- Safe Haven Hospital
- Safe Haven Hospital Treasure Valley
- Sagamore Childrens Psych Center
- Sage Memorial Hospital
- Sage Rehabilitation Hospital
- Sage Specialty Care Hospital
- Sage Specialty Hospital
- Sage West Health Care
- Sagewest Health Care Lander
- Saint Agnes Medical Center
- Saint Alphonsus Medical Center Baker
- Saint Alphonsus Medical Center Ontario
- Saint Anne's Hospital
- Saint Anthony Hospital
- Saint Barnabas Medical Center
- Saint Bernards Behavioral Health
- Saint Clares Hospital
- Saint Francis Hospital
- Saint Francis Hospital
- Saint Francis Hospital-Bartlett