- Lafayette General Health
- Lahey Health System
- Lake Charles Memorial Health System
- Lake Health
- Lakeland Regional Health System
- Lake Regional Health System
- Lake Region Healthcare
- LCMC Health System
- Lecom Health
- Lee Health
- Legacy Health
- Lehigh Valley Health Network
- Lexington Medical Center
- Licking Memorial Health Systems
- LifeBridge Health
- LifePoint Health
- Little Company of Mary Hospital and Health Care Centers
- Logan Health
- Loma Linda University Health
- Los Angeles County Health Services Department
- LSU Healthcare Services Division
- Luna At-Home Physical Therapy