- Coulee Medical Center
- Council Oak Comprehensive Health Care
- County of San Luis Obispo Health Agency
- Covenant Childrens Hospital
- Covenant Health Hobbs Hospital
- Covenant Hospital Levelland
- Covenant Hospital Plainview
- Covenant Medical Center
- Covenant Medical Center - Cooper
- Covenant Medical Center - Harrison
- Covenant Specialty Hospital
- Covington Behavioral Health
- Covington County Hospital
- Covington Trace ER & Hospital
- Cox Barton County Hospital
- Cox Medical Center Branson
- Cox Medical Center South
- Cox Monett Hospital
- Cox North Hospital
- Cozad Community Hospital
- Craig H Neilsen Rehabilitation Hospital
- Craig Hospital
- Crane Memorial Hospital
- Crawford County Memorial Hospital
- Crawford Memorial Hospital
- Creedmoor Psychiatric Center
- Creekside Behavioral Health
- Creekside Hospital
- Crenshaw Community Hospital
- Crescent Regional Hospital