- Corewell Health Pennock Hospital
- Corewell Health Reed City Hospital
- Corewell Health Taylor Hospital
- Corewell Health Trenton Hospital
- Corewell Health Watervliet Hospital
- Corewell Health Wayne Hospital
- Corewell Health William Beaumont University Hospital
- Corewell Health Zeeland Hospital
- Cornell Behavioral Health Pavilion
- Cornerstone Behavioral Health Hospital of Union County
- Cornerstone Of Medical Arts Center Hospital
- Cornerstone Regional Hospital
- Cornerstone Specialty Hospitals Austin
- Cornerstone Specialty Hospitals Bossier City
- Cornerstone Specialty Hospitals Broken Arrow
- Cornerstone Specialty Hospitals Conroe
- Cornerstone Specialty Hospitals Huntington
- Cornerstone Specialty Hospitals Little Rock
- Cornerstone Specialty Hospitals Muskogee
- Cornerstone Specialty Hospitals Round Rock
- Cornerstone Specialty Hospitals Shawnee
- Cornerstone Specialty Hospitals Southwest Louisiana
- Cornerstone Specialty Hospitals Tucson
- Cornerstone Specialty Hospitals West Monroe
- Corona Regional Medical Center - Main Street Campus
- Corpus Christi Medical Center - Bay Area
- Corpus Christi Medical Center - Bayview Behavioral Hospital
- Corpus Christi Medical Center - Doctors Regional
- Corpus Christi Medical Center - The Heart Hospital
- Corpus Christi Rehabilitation Hospital