- Cuba Memorial Hospital
- Cuero Regional Hospital
- Culberson Hospital
- Cullman Regional Medical Center
- Culpeper Medical Center
- Cumberland County Hospital
- Cumberland Hall Hospital
- Cumberland Hospital
- Cumberland Medical Center
- Cumberland Memorial Hospital
- Curry General Hospital
- Cuyuna Regional Medical Center
- Cypress Creek Hospital
- Cypress Grove Behavioral Health Hospital
- Cypress Pointe Surgical Hospital
- Dahl Memorial Healthcare
- Dakota Regional Medical Center
- Dale Medical Center
- Dallas Behavioral Healthcare Hospital
- Dallas County Hospital
- Dallas County Medical Center
- Dallas Medical Center
- Dallas Regional Medical Center
- Dameron Hospital
- D Amore Mental Health
- Dana-Farber Cancer Institute
- Danbury Hospital
- Daniel Drake Center
- Daniels Memorial Healthcare Center
- Danville State Hospital