- John C Fremont Healthcare District
- John Ed Chambers Memorial Hospital
- John George Psychiatric Hospital
- John H Stroger Jr Hospital of Cook County
- John Muir Health - Concord Medical Center
- John Muir Health - Psychiatric Hospital
- John Muir Health - Walnut Creek Medical Center
- John Peter Smith Hospital
- John R Oishei Childrens Hospital
- John Sealy Hospital
- Johns Hopkins All Childrens Hospital
- Johns Hopkins Bayview Medical Center
- Johns Hopkins Childrens Center
- Johnson City Medical Center
- Johnson County Community Hospital
- Johnson County Healthcare Center
- Johnson County Hospital
- Johnson County Rehabilitation Hospital at Overland Park
- Johnson Memorial Health Services
- Johnson Memorial Hospital
- Johnson Memorial Hospital
- Johnson Regional Medical Center
- Johnson Rehabilitation Institute at Ocean University Medical Center
- Johnston Memorial Hospital
- Johnston-Willis Hospital
- Johnstown Heights Behavioral Health
- Joint Township District Memorial Hospital
- Jones Memorial Hospital
- Joseph M Sanzari Childrens Hospital
- Josie Robertson Surgery Center