| Johns Hopkins Hospital, the | Baltimore, MD | Acute Care Hospitals | 5 stars |
| Johns Hopkins Howard County Medical Center | Columbia, MD | Acute Care Hospitals | 3 stars |
| Johnson City Medical Center | Johnson City, TN | Acute Care Hospitals | 1 star |
| Johnson County Community Hospital | Mountain City, TN | Critical Access Hospitals | Not rated |
| Johnson Memorial Hospital | Stafford Springs, CT | Acute Care Hospitals | 3 stars |
| Johnson Regional Medical Center | Clarksville, AR | Acute Care Hospitals | 4 stars |
| Johnston Memorial Hospital | Abingdon, VA | Acute Care Hospitals | 3 stars |
| Jones Memorial Hospital | Wellsville, NY | Acute Care Hospitals | 4 stars |
| Jones Regional Medical Center | Anamosa, IA | Critical Access Hospitals | 4 stars |
| Joyce Eisenberg Keefer Medical Center | Reseda, CA | Psychiatric | Not rated |
| Jupiter Medical Center | Jupiter, FL | Acute Care Hospitals | 4 stars |
| Kadlec Regional Medical Center | Richland, WA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hosp So Sacramento | Sacramento, CA | Acute Care Hospitals | 2 stars |
| Kaiser Foundation Hospital | San Rafael, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital | Honolulu, HI | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Antioch | Antioch, CA | Acute Care Hospitals | 1 star |
| Kaiser Foundation Hospital - Fremont | Fremont, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Fresno | Fresno, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Oakland/Richmond | Oakland, CA | Acute Care Hospitals | 2 stars |
| Kaiser Foundation Hospital - Orange County - Anaheim | Anaheim, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Panorama City | Panorama City, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Redwood City | Redwood City, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Roseville | Roseville, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Sacramento | Sacramento, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - San Diego | San Diego, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - San Francisco | San Francisco, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - San Leandro | San Leandro, CA | Acute Care Hospitals | 2 stars |
| Kaiser Foundation Hospital - San Marcos | San Marcos, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - South San Francisco | South San Francisco, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Vacaville | Vacaville, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital - Walnut Creek | Walnut Creek, CA | Acute Care Hospitals | 3 stars |
| Kaiser Foundation Hospital - West la | Los Angeles, CA | Acute Care Hospitals | 3 stars |
| Kaiser Foundation Hospital - Woodland Hills | Woodland Hills, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital and Rehab Center | Vallejo, CA | Acute Care Hospitals | 2 stars |
| Kaiser Foundation Hospital Fontana/Ontario | Fontana, CA | Acute Care Hospitals | 3 stars |
| Kaiser Foundation Hospital Manteca | Manteca, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital Westside | Hillsboro, OR | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital, Riverside | Riverside, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital-Moreno Valley | Moreno Valley, CA | Acute Care Hospitals | 4 stars |
| Kaiser Foundation Hospital-San Jose | San Jose, CA | Acute Care Hospitals | 3 stars |
| Kaiser Foundation Hospital-Santa Clara | Santa Clara, CA | Acute Care Hospitals | 2 stars |
| Kaiser Foundation Hospital-Santa Rosa | Santa Rosa, CA | Acute Care Hospitals | 3 stars |
| Kaleida Health | Buffalo, NY | Acute Care Hospitals | 3 stars |
| Kansas Surgery & Recovery Center | Wichita, KS | Acute Care Hospitals | Not rated |
| Kapiolani Medical Center for Women & Children | Honolulu, HI | Childrens | Not rated |
| Kenmore Mercy Hospital | Kenmore, NY | Acute Care Hospitals | 3 stars |
| Kennedy Krieger Institute | Baltimore, MD | Childrens | Not rated |
| Kettering Health Greene Memorial | Xenia, OH | Acute Care Hospitals | 5 stars |
| Kettering Health Troy | Troy, OH | Acute Care Hospitals | 5 stars |
| King's Daughters' Medical Center | Ashland, KY | Acute Care Hospitals | 3 stars |