- Lincoln Surgical Hospital
- Lincoln Trail Behavioral Health System
- Linden Oaks Behavioral Health
- Lindner Center of HOPE
- Lindsay Municipal Hospital
- Lindsborg Community Hospital
- Linton Regional Medical Center
- Little Colorado Medical Center
- Little Falls Hospital
- Little River Memorial Hospital
- Littleton Regional Healthcare
- Livengrin Foundation
- Live Oak Mental Health & Wellness
- Livingston HealthCare
- Livingston Hospital
- Livingston Regional Hospital
- Lockport Memorial Hospital
- Logan County Hospital
- Logan Health Chester
- Logan Health Conrad
- Logan Health Cut Bank
- Logan Health Medical Center
- Logan Health Shelby
- Logan Health Whitefish
- Logan Regional Hospital
- Logan Regional Medical Center
- Logansport Memorial Hospital
- Logansport State Hospital
- Loma Linda University Behavioral Medicine Center
- Loma Linda University Childrens Hospital