| College Medical Center | Long Beach, CA | Acute Care Hospitals | 3 stars |
| College Medical Center Phoenix | Phoenix, AZ | Psychiatric | Not rated |
| Colleton Medical Center | Walterboro, SC | Acute Care Hospitals | 3 stars |
| Collingsworth General Hospital | Wellington, TX | Critical Access Hospitals | Not rated |
| Columbia Memorial Hospital | Astoria, OR | Critical Access Hospitals | Not rated |
| Colusa Medical Center | Colusa, CA | Acute Care Hospitals | 1 star |
| Community Care Hospital | New Orleans, LA | Psychiatric | Not rated |
| Community First Medical Center | Chicago, IL | Acute Care Hospitals | 2 stars |
| Community Hospital of Huntington Park | Huntington Park, CA | Acute Care Hospitals | 1 star |
| Compass Behavioral Center of Alexandria, Inc | Alexandria, LA | Psychiatric | Not rated |
| Compass Behavioral Center of Houma, LLC | Houma, LA | Psychiatric | Not rated |
| Compass Behavioral Center of Lafayette | Lafayette, LA | Psychiatric | Not rated |
| Compass Senior Care Hospital | Jennings, LA | Psychiatric | Not rated |
| Conemaugh Memorial Medical Center | Johnstown, PA | Acute Care Hospitals | 2 stars |
| Conemaugh Meyersdale Medical Center | Meyersdale, PA | Critical Access Hospitals | Not rated |
| Conemaugh Miners Medical Center | Hastings, PA | Critical Access Hospitals | Not rated |
| Conway Behavioral Health | Conway, AR | Psychiatric | Not rated |
| Copper Springs East- Gilbert | Avondale, AZ | Psychiatric | Not rated |
| Coral Gables Hospital | Coral Gables, FL | Acute Care Hospitals | 3 stars |
| Cornerstone Regional Hospital | Edinburg, TX | Acute Care Hospitals | Not rated |
| Corona Regional Medical Center | Corona, CA | Acute Care Hospitals | 3 stars |
| Corterra of Wichita LLC | Wichita, KS | Psychiatric | Not rated |
| Cottonwood Creek Behavioral Hospital | Meridian, ID | Psychiatric | Not rated |
| Cottonwood Springs LLC | Olathe, KS | Psychiatric | Not rated |
| Creekside Behavioral Health | Kingsport, TN | Psychiatric | Not rated |
| Crescent Medical Center Lancaster | Lancaster, TX | Acute Care Hospitals | 2 stars |
| Crestwood Medical Center | Huntsville, AL | Acute Care Hospitals | 3 stars |
| Crestwyn Behavioral Health | Memphis, TN | Psychiatric | Not rated |
| Crisp Regional Hospital | Cordele, GA | Acute Care Hospitals | 2 stars |
| Cross Creek Hospital | Austin, TX | Psychiatric | Not rated |
| Crossgates River Oaks Hospital | Brandon, MS | Acute Care Hospitals | 2 stars |
| Crystal Clinic Orthopaedic Center | Akron, OH | Acute Care Hospitals | 5 stars |
| Cumberland Hall Hospital | Hopkinsville, KY | Psychiatric | Not rated |
| Cumberland Hospital LLC | New Kent, VA | Childrens | Not rated |
| Cypress Creek Hospital | Houston, TX | Psychiatric | Not rated |
| Cypress Pointe Surgical Hospital | Hammond, LA | Acute Care Hospitals | Not rated |
| Dallas Medical Center | Dallas, TX | Acute Care Hospitals | 3 stars |
| Dallas Regional Medical Center | Mesquite, TX | Acute Care Hospitals | 3 stars |
| De Tar Hospital Navarro | Victoria, TX | Acute Care Hospitals | 2 stars |
| Deaconess Illinois Crossroads | Mount Vernon, IL | Acute Care Hospitals | Not rated |
| Deaconess Illinois Union County | Anna, IL | Critical Access Hospitals | Not rated |
| Dekalb Regional Medical Center | Fort Payne, AL | Acute Care Hospitals | 2 stars |
| Del Amo Hospital | Torrance, CA | Psychiatric | Not rated |
| Delray Medical Center | Delray Beach, FL | Acute Care Hospitals | 1 star |
| Delta Specialty Hospital | Memphis, TN | Acute Care Hospitals | Not rated |
| Denver Springs | Englewood, CO | Psychiatric | Not rated |
| Dequincy Memorial Hospital | Dequincy, LA | Critical Access Hospitals | Not rated |
| Desert Parkway Behavioral Healthcare Hospital, LLC | Las Vegas, NV | Psychiatric | Not rated |
| Desert Regional Medical Center | Palm Springs, CA | Acute Care Hospitals | 2 stars |
| Desert Valley Hospital | Victorville, CA | Acute Care Hospitals | 3 stars |