- Froedtert and The Medical College of Wisconsin
- Froedtert South
- Frontier Behavioral Health
- Fundamental Long-Term Care Holdings
- Geisinger Health System
- Generations Behavioral Health
- Genesis Healthcare System
- Genesis Health System
- George Regional Health System
- Georgia Department of Behavioral Health and Developmental Disabilities
- Gifford Health Care
- Good Samaritan Hospital
- Good Shepherd Rehabilitation Network
- Goshen Health
- Grace Hospital System
- Grady Health System
- Grand View Hospital
- Greater Baltimore Medical Center
- Greater Hudson Valley Health System
- Great Lakes Health System of Western New York
- Great Plains Health
- Great Plains Health Alliance
- Great River Health Systems
- Greenville Health System
- Greenwood Leflore Hospital
- Gundersen Health System
- Guthrie Healthcare System
- Hackensack Meridian Health
- Halifax Health
- Hancock Health