- Iberia Medical Center - Main Campus
- Iberia Medical Center - North Campus
- Idaho Falls Community Hospital
- Illini Community Hospital
- Incline Village Community Hospital
- Incompass Healthcare
- Independence Mental Health Institute
- Indiana Center for Recovery
- Indianapolis Rehabilitation Hospital
- Indiana Regional Medical Center
- Indiana Spine Hospital
- Indianhead Medical Center
- Indian Path Community Hospital
- Infirmary LTAC Hospital
- Inland Northwest Behavioral Health
- Inland Valley Medical Center
- Inova Alexandria Hospital
- Inova Fairfax Hospital
- Inova Fair Oaks Hospital
- Inova L J Murphy Childrens Hospital
- Inova Loudoun Hospital
- Inova Loudoun Hospital - Cornwall Campus
- Inova Mount Vernon Hospital
- Inova Specialty Hospital
- Inova Womens Hospital
- Insight Hospital & Medical Center Chicago
- Insight Hospital & Medical Center Coldwater
- Insight Hospital & Medical Center Trumbull
- Insight Rehabilitation Hospital Hillside
- Insight Surgical Hospital