The Veterans Health Administration (VHA) is America's largest integrated delivery network with over 1293 facilities, including 171 medical centers and 1,112 outpatient sites of care of varying complexity (VHA outpatient clinics), serving 9 million enrolled Veterans each year.

DoD

Indian Health Services (IHS) and Tribal Health serve 2.56 million American Indians and Alaska Native members of 574 federally recognized Tribes spanning 37 states. There are 568 federally funded and operated health facilities (hospitals, clinics, treatment facilities, etc.)