Cancer Organizations: H
- Hudson Valley Hematology-Oncology Associates - Poughkeepsie
- Hudson Valley Oncology Associates
- Hudson Valley Oncology, PC
- Hudson Valley Otolaryngology
- Hudson Valley Urology, PC
- Hudson Valley Urology, PC - Kingston Office
- Huey P. Long Medical Center
- Hugh Chatham Memorial Hospital
- Huguley Memorial Medical Center
- Hull Royal Infirmary
- Hulston Cancer Center at Cox Medical Center South
- Humaine - Clinic
- Human Genome Sciences
- Humanitas Gavazzeni
- Humber River Regional Hospital - Downsview
- Humber River Regional Hospital - Weston
- Hunan Medical University
- Hunter Medical Research Institute
- Hunter Radiation Therapy Center at Yale University School of Medicine
- Hunter Valley Research Foundation
- Hunterdon Regional Cancer Center at Hunterdon Medical Center
- Hunterdon Urological Associates
- Huntingdon Valley Surgical Associates
- Huntington Beach Community Clinic
- Huntington Cancer Center at Huntington Hospital
- Huntington Hospital Hemophilia Center
- Huntington Internal Medicine Group
- Huntington Medical Group, PC
- Huntington Medical Research Institutes
- Huntington OutPatient Surgery Center
- Huntsman Cancer Institute at University of Utah
- Huntsville Hospital
- Hurley Medical Center
- Huron Hospital Cancer Care Center
- Huron Medical Center, PC
- Huron Valley Urology Associates - Ypsilanti
- Hutchinson Area Health Care
- Hutchinson Clinic, PA
- Hutchinson Hospital Corporation
- Hutchison Cancer Research Unit
- Hutzel Hospital
- Hvidovre Hospital
- Hyde Park Cancer Center
- Hygeia Hospital
- Hygeia Hospital - Marousi
- Hyogo Cancer Center
- Hyogo College of Medicine
- Hyogo Medical Center for Adults
- Hyogo Prefectural Amagasaki Hospital
- Hyogo Prefectural Awaji Hospital
- Hys Centre
- Hys. Medical Centre
