- Highpoint Health - Sumner with Ascension Saint Thomas
- Highpoint Health - Trousdale with Ascension Saint Thomas
- Highsmith-Rainey Specialty Hospital
- Hill Crest Behavioral Health Services
- Hillcrest Hospital
- Hillcrest Hospital Claremore
- Hillcrest Hospital Cushing
- Hillcrest Hospital Henryetta
- Hillcrest Hospital Pryor
- Hillcrest Hospital South
- Hillcrest Medical Center
- Hill Hospital of Sumter County
- Hill Regional Hospital
- Hillsboro Area Hospital
- Hillsboro Community Hospital
- Hillsdale Community Health Center
- Hills & Dales Healthcare
- Hilo Benioff Medical Center Main
- Hilton Head Hospital
- Hiram W Davis Medical Center
- HMH - RBMC LTACH - Perth Amboy
- Hoag Hospital Irvine
- Hoag Hospital Newport Beach
- Hoag Orthopedic Institute
- Hoboken University Medical Center
- Hocking Valley Community Hospital
- Hodgeman County Health Center
- Holdenville General Hospital
- Holland Hospital
- Holly Hill Hospital