| Lake Cumberland Regional Hospital | Somerset, KY | Acute Care Hospitals | 2 stars |
| Lake Granbury Medical Center | Granbury, TX | Acute Care Hospitals | 3 stars |
| Lake Health Beachwood Medical Center | Beachwood, OH | Acute Care Hospitals | Not rated |
| Lake Martin Community Hospital | Dadeville, AL | Acute Care Hospitals | Not rated |
| Lakeland Behavioral Health System | Springfield, MO | Psychiatric | Not rated |
| Lakeland Community Hospital | Haleyville, AL | Acute Care Hospitals | 3 stars |
| Lakeland Community Hospital | Haleyville, AL | Critical Access Hospitals | Not rated |
| Lakewood Ranch Medical Center | Bradenton, FL | Acute Care Hospitals | 4 stars |
| Laredo Medical Center | Laredo, TX | Acute Care Hospitals | 4 stars |
| Larkin Community Hospital | South Miami, FL | Acute Care Hospitals | 1 star |
| Larkin Community Hospital Behavioral Health Srvs | Hollywood, FL | Psychiatric | Not rated |
| Las Palmas Medical Center A Campus of Lpds Healthc | El Paso, TX | Acute Care Hospitals | 2 stars |
| Lauderdale Community Hospital | Ripley, TN | Critical Access Hospitals | Not rated |
| Laurel Ridge Treatment Center | San Antonio, TX | Psychiatric | Not rated |
| Lee's Summit Medical Center | Lees Summit, MO | Acute Care Hospitals | 3 stars |
| Legent Orthopedic + Spine | San Antonio, TX | Acute Care Hospitals | Not rated |
| Legent Orthopedic Hospital | Grapevine, TX | Acute Care Hospitals | Not rated |
| Legent Surgical Hospital Plano | Plano, TX | Acute Care Hospitals | Not rated |
| Lehigh Valley Hospital - Macungie | Macungie, PA | Acute Care Hospitals | Not rated |
| Lewisgale Hospital Alleghany | Low Moor, VA | Acute Care Hospitals | 4 stars |
| Lewisgale Hospital Montgomery | Blacksburg, VA | Acute Care Hospitals | 3 stars |
| Lewisgale Hospital Pulaski | Pulaski, VA | Acute Care Hospitals | 4 stars |
| Lewisgale Medical Center | Salem, VA | Acute Care Hospitals | 2 stars |
| Lifebrite Community Hospital of Stokes | Danbury, NC | Critical Access Hospitals | Not rated |
| Lifestream Behavioral Center | Leesburg, FL | Psychiatric | Not rated |
| Lighthouse Behavioral Health Hospital | Conway, SC | Psychiatric | Not rated |
| Lincoln Surgical Hospital | Lincoln, NE | Acute Care Hospitals | Not rated |
| Lincoln Trail Behavioral Health System | Radcliff, KY | Psychiatric | Not rated |
| Livingston Regional Hospital | Livingston, TN | Acute Care Hospitals | 2 stars |
| Logan Regional Medical Center | Logan, WV | Acute Care Hospitals | 2 stars |
| Lone Peak Hospital | Draper, UT | Acute Care Hospitals | 5 stars |
| Lone Star Behavioral Health Cypress | Cypress, TX | Psychiatric | Not rated |
| Longleaf Hospital | Alexandria, LA | Psychiatric | Not rated |
| Longview Regional Medical Center | Longview, TX | Acute Care Hospitals | 3 stars |
| Los Alamos Medical Center | Los Alamos, NM | Acute Care Hospitals | Not rated |
| Los Angeles Community Hospital | Los Angeles, CA | Acute Care Hospitals | 3 stars |
| Los Robles Hospital & Medical Center | Thousand Oaks, CA | Acute Care Hospitals | 4 stars |
| Louis A Weiss Memorial Hospital | Chicago, IL | Acute Care Hospitals | 1 star |
| Louisiana Behavioral Health | Shreveport, LA | Psychiatric | Not rated |
| Lovelace Medical Center | Albuquerque, NM | Acute Care Hospitals | 2 stars |
| Lovelace Regional Hospital - Roswell | Roswell, NM | Acute Care Hospitals | 2 stars |
| Lovelace Westside Hospital | Albuquerque, NM | Acute Care Hospitals | 4 stars |
| Lovelace Women's Hospital | Albuquerque, NM | Acute Care Hospitals | 4 stars |
| Lower Keys Medical Center | Key West, FL | Acute Care Hospitals | 4 stars |
| Luminis Health Doctors Community Medical Ctr, Inc | Lanham, MD | Acute Care Hospitals | 3 stars |
| Lutheran Hospital of Indiana | Fort Wayne, IN | Acute Care Hospitals | 3 stars |
| Macneal Hospital | Berwyn, IL | Acute Care Hospitals | 3 stars |
| Mad River Community Hospital | Arcata, CA | Acute Care Hospitals | 1 star |
| Manatee Memorial Hospital | Bradenton, FL | Acute Care Hospitals | 3 stars |
| Manchester Memorial Hospital | Manchester, CT | Acute Care Hospitals | 4 stars |