- LifeCare Medical Center
- Lifescape
- LifeStream Behavioral Center
- Lifeways Hospital Boise
- Lighthouse Behavioral Health Hospital
- Lillian M Hudspeth Memorial Hospital
- Lima Memorial Hospital
- Limestone Medical Center
- Lincoln Community Hospital
- Lincoln County Hospital
- Lincoln County Medical Center
- Lincoln Hospital
- Lincoln Medical Center
- Lincoln Memorial Hospital
- Lincoln Prairie Behavioral Health Center
- Lincoln Regional Center
- 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