| Otis R Bowen Center for Human Services Inc | Pierceton, IN | Psychiatric | Not rated |
| Ouachita County Medical Center | Camden, AR | Acute Care Hospitals | 2 stars |
| Our Lady of Lourdes Memorial Hospital, Inc | Binghamton, NY | Acute Care Hospitals | 3 stars |
| Our Lady of Lourdes Regional Medical Center, Inc | Lafayette, LA | Acute Care Hospitals | 3 stars |
| Our Lady of the Angels Hospital | Bogalusa, LA | Acute Care Hospitals | 4 stars |
| Overlook Medical Center | Summit, NJ | Acute Care Hospitals | 5 stars |
| Owensboro Health Muhlenberg Community Hospital | Greenville, KY | Acute Care Hospitals | 4 stars |
| Owensboro Health Regional Hospital | Owensboro, KY | Acute Care Hospitals | 2 stars |
| Ozark Health | Clinton, AR | Critical Access Hospitals | 4 stars |
| Ozarks Community Hospital of Gravette | Gravette, AR | Critical Access Hospitals | Not rated |
| Ozarks Healthcare | West Plains, MO | Acute Care Hospitals | 2 stars |
| Page Memorial Hospital, Inc | Luray, VA | Critical Access Hospitals | 5 stars |
| Palacios Community Medical Center | Palacios, TX | Critical Access Hospitals | Not rated |
| Palisades Medical Center | North Bergen, NJ | Acute Care Hospitals | 2 stars |
| Palo Verde Behavioral Health | Tucson, AZ | Psychiatric | Not rated |
| Palos Community Hospital | Palos Heights, IL | Acute Care Hospitals | 4 stars |
| Pampa Regional Medical Center | Pampa, TX | Critical Access Hospitals | Not rated |
| Pana Community Hospital | Pana, IL | Critical Access Hospitals | 4 stars |
| Paoli Hospital | Paoli, PA | Acute Care Hospitals | 5 stars |
| Paris Community Hospital | Paris, IL | Critical Access Hospitals | 3 stars |
| Park Center, Inc | Fort Wayne, IN | Psychiatric | Not rated |
| Park Nicollet Methodist Hospital | Saint Louis Park, MN | Acute Care Hospitals | 3 stars |
| Parkland Health Center | Farmington, MO | Acute Care Hospitals | 4 stars |
| Parkland Health Center - Bonne Terre | Bonne Terre, MO | Rural Emergency Hospital | Not rated |
| Parkside, Inc | Tulsa, OK | Psychiatric | Not rated |
| Parkview Dekalb Hospital | Auburn, IN | Acute Care Hospitals | 3 stars |
| Parkview Huntington Hospital | Huntington, IN | Acute Care Hospitals | 4 stars |
| Parkview Lagrange Hospital | Lagrange, IN | Critical Access Hospitals | 5 stars |
| Parkview Medical Center, Inc | Pueblo, CO | Acute Care Hospitals | 3 stars |
| Parkview Noble Hospital | Kendallville, IN | Acute Care Hospitals | 3 stars |
| Parkview Regional Medical Center | Fort Wayne, IN | Acute Care Hospitals | 3 stars |
| Parkview Wabash Hospital, Inc | Wabash, IN | Critical Access Hospitals | 3 stars |
| Parkview Whitley Hospital | Columbia City, IN | Acute Care Hospitals | 4 stars |
| Parkwest Medical Center | Knoxville, TN | Acute Care Hospitals | 3 stars |
| Parma Community General Hospital | Parma, OH | Acute Care Hospitals | 4 stars |
| Parmer County Community Hospital | Friona, TX | Critical Access Hospitals | Not rated |
| Pathways of Tennessee, Inc | Jackson, TN | Psychiatric | Not rated |
| Pawhuska Hospital, Inc | Pawhuska, OK | Critical Access Hospitals | Not rated |
| Pawnee Valley Community Hospital | Larned, KS | Critical Access Hospitals | Not rated |
| Peacehealth Peace Island Medical Center | Friday Harbor, WA | Critical Access Hospitals | Not rated |
| Peacehealth Southwest Medical Cente | Vancouver, WA | Acute Care Hospitals | 3 stars |
| Pella Regional Health Center | Pella, IA | Critical Access Hospitals | 4 stars |
| Pembina County Memorial Hospital | Cavalier, ND | Critical Access Hospitals | Not rated |
| Peninsula Medical Center | Burlingame, CA | Acute Care Hospitals | 5 stars |
| Penn Highlands Brookville | Brookville, PA | Critical Access Hospitals | 4 stars |
| Penn Highlands Connellsville | Connellsville, PA | Acute Care Hospitals | Not rated |
| Penn Highlands Dubois | Dubois, PA | Acute Care Hospitals | 2 stars |
| Penn Highlands Elk | Saint Marys, PA | Critical Access Hospitals | 4 stars |
| Penn Highlands Huntingdon | Huntingdon, PA | Acute Care Hospitals | 3 stars |
| Penn Highlands Mon Valley | Monongahela, PA | Acute Care Hospitals | 1 star |