| Kingman Healthcare Center | Kingman, KS | Critical Access Hospitals | Not rated |
| Kings Daughters Medical Center Ohio | Portsmouth, OH | Acute Care Hospitals | Not rated |
| Kirby Medical Center | Monticello, IL | Critical Access Hospitals | Not rated |
| Kittson Healthcare | Hallock, MN | Critical Access Hospitals | Not rated |
| Knapp Medical Center | Weslaco, TX | Acute Care Hospitals | 5 stars |
| Knoxville Hospital & Clinics | Knoxville, IA | Critical Access Hospitals | 2 stars |
| Kuakini Medical Center | Honolulu, HI | Acute Care Hospitals | 4 stars |
| Kula Hospital | Kula, HI | Critical Access Hospitals | Not rated |
| La Paz Regional Hospital | Parker, AZ | Critical Access Hospitals | 2 stars |
| Ladd Memorial Hospital | Osceola, WI | Critical Access Hospitals | Not rated |
| Lahey Hospital & Medical Center, Burlington | Burlington, MA | Acute Care Hospitals | 4 stars |
| Lake Charles Memorial Hospital | Lake Charles, LA | Acute Care Hospitals | 3 stars |
| Lake Health | Concord, OH | Acute Care Hospitals | 3 stars |
| Lakeland Hospital, St Joseph | St Joseph, MI | Acute Care Hospitals | 4 stars |
| Lakeland Regional Medical Center | Lakeland, FL | Acute Care Hospitals | 1 star |
| Lakeside Women's Hospital, A Member of Integris He | Oklahoma City, OK | Acute Care Hospitals | Not rated |
| Lakewood Health System | Staples, MN | Critical Access Hospitals | Not rated |
| Lanai Community Hospital | Lanai City, HI | Critical Access Hospitals | Not rated |
| Lancaster General Hospital | Lancaster, PA | Acute Care Hospitals | 5 stars |
| Landmann Jungman Memorial Hospital Corporation | Scotland, SD | Rural Emergency Hospital | Not rated |
| Landmark Medical Center | Woonsocket, RI | Acute Care Hospitals | 2 stars |
| Larabida Childrens Hospital I | Chicago, IL | Childrens | Not rated |
| Larkin Community Hospital Palm Springs Campus | Hialeah, FL | Acute Care Hospitals | 4 stars |
| Laureate Psychiatric Clinic and Hospital, Inc | Tulsa, OK | Psychiatric | Not rated |
| Lawrence & Memorial Hospital | New London, CT | Acute Care Hospitals | 3 stars |
| Lawrence County Memorial Hospital | Lawrenceville, IL | Critical Access Hospitals | Not rated |
| Lawrence Memorial Hospital | Walnut Ridge, AR | Critical Access Hospitals | Not rated |
| Lds Hospital | Salt Lake City, UT | Acute Care Hospitals | 5 stars |
| Lecom Medical Center and Behavioral Health Pav | Erie, PA | Acute Care Hospitals | 1 star |
| Lee County Community Hospital | Pennington Gap, VA | Critical Access Hospitals | Not rated |
| Legacy Emanuel Medical Center | Portland, OR | Acute Care Hospitals | 3 stars |
| Legacy Good Samaritan Medical Center | Portland, OR | Acute Care Hospitals | 4 stars |
| Legacy Meridian Park Medical Center | Tualatin, OR | Acute Care Hospitals | 2 stars |
| Legacy Mount Hood Medical Center | Gresham, OR | Acute Care Hospitals | 3 stars |
| Legacy Salmon Creek Medical Center | Vancouver, WA | Acute Care Hospitals | 4 stars |
| Legacy Silverton Medical Center | Silverton, OR | Acute Care Hospitals | Not rated |
| Lehigh Valley Hospital | Allentown, PA | Acute Care Hospitals | 4 stars |
| Lehigh Valley Hospital - Dickson City | Dickson City, PA | Acute Care Hospitals | 3 stars |
| Lehigh Valley Hospital - Pocono | East Stroudsburg, PA | Acute Care Hospitals | 3 stars |
| Lenox Hill Hospital | New York, NY | Acute Care Hospitals | 5 stars |
| Levi Hospital | Hot Springs, AR | Acute Care Hospitals | Not rated |
| Levindale Hebrew Geriatric Center and Hospital | Baltimore, MD | Acute Care Hospitals | Not rated |
| Lexington Medical Center | West Columbia, SC | Acute Care Hospitals | 3 stars |
| Lexington Memorial Hospital Inc | Lexington, NC | Acute Care Hospitals | 2 stars |
| Liberty Hospital | Liberty, MO | Acute Care Hospitals | 2 stars |
| Licking Memorial Hospital | Newark, OH | Acute Care Hospitals | 2 stars |
| Lifebrite Community Hospital of Early | Blakely, GA | Critical Access Hospitals | Not rated |
| Lifecare Medical Center | Roseau, MN | Critical Access Hospitals | Not rated |
| Lifescape | Sioux Falls, SD | Childrens | Not rated |
| Lifeways Hospital | Boise, ID | Psychiatric | Not rated |