- Carthage Area Hospital
- Cary Medical Center
- Casa Colina Hospital and Centers for Healthcare
- Cascade Medical Center
- Cascade Medical Center
- Cascade Valley Hospital
- Casey County Hospital
- Cass Health
- Cassia Regional Hospital
- Cass Regional Medical Center
- Castleview Hospital
- Catalina Island Medical Center
- Catawba Hospital
- Catawba Valley Medical Center
- Catholic Medical Center
- Cayey Mennonite Medical Center
- Cayuga Medical Center
- CCM Health
- Cedar City Hospital
- Cedar County Memorial Hospital
- Cedar Creek Hospital
- Cedar Crest Hospital & Residential Treatment Center
- Cedar Hill Regional Medical Center
- Cedar Hills Behavioral
- Cedar Hills Hospital
- Cedar Park Regional Medical Center
- Cedar Ridge Behavioral Hospital
- Cedar Springs Hospital
- Cedars-Sinai Marina Del Rey Hospital
- Cedars-Sinai Medical Center