- Community Surgery Center South
- Compass Behavioral Center of Alexandria
- Compass Behavioral Center of Crowley
- Compass Behavioral Center of Houma
- Compass Behavioral Center of Lafayette
- Compass Intervention Center
- Compass Memorial Healthcare
- Comprehensive Cancer Center of UPR
- Concho County Hospital
- Concord Hospital
- Concord Hospital - Franklin
- Concord Hospital - Laconia
- Cone Health Alamance Regional Medical Center
- Cone Health Annie Penn Hospital
- Cone Health Behavioral Health Hospital
- Cone Health Moses Cone Hospital
- Cone Health Wesley Long Hospital
- Cone Health Womens & Childrens Center at Moses Cone Hospital
- Conejos County Hospital
- Conemaugh Memorial Medical Center
- Conemaugh Meyersdale Medical Center
- Conemaugh Miners Medical Center
- Conemaugh Nason Medical Center
- Confluence Health Hospital - Central Campus
- Confluence Health Hospital - Mares Campus
- Conifer Park
- Connally Memorial Medical Center
- Connecticut Childrens Medical Center
- Connecticut Department Of Correction's Hospital
- Connecticut Mental Health Center