- Iberia Medical Center
- Iberia Rehabilitation Hospital
- Idaho Falls Community Hospital
- Illini Community Hospital
- ImageCare at West Orange
- Incline Village Hospital
- Indiana Orthopaedic Hospital Llc
- Indiana Regional Medical Center
- Indiana Spine Group
- Indianhead Medical Center
- Indian Path Medical Center
- Infirmary Ltac Hospital
- Ingalls Memorial Hospital
- Inova Alexandria Hospital
- Inova Fairfax Hospital
- Inova Fair Oaks Hospital
- Inova Loudoun Hospital Center
- Inova Mount Vernon Hospital
- Insight Hospital & Medical Center
- Inspira Medical Center Elmer
- Inspira Medical Center Vineland
- Inspira Medical Center Woodbury
- Inspire Specialty Hospital
- Institute For Orthopaedic Surgery
- INTEGRIS Baptist Medical Center
- INTEGRIS Baptist Medical Center Portland Avenue
- INTEGRIS Bass Baptist Health Center
- INTEGRIS Canadian Valley Hospital
- INTEGRIS Community Hospital at Council Crossing
- INTEGRIS Community Hospital in Moore