Through its subsidiaries, UHS operates inpatient acute care facilities, inpatient behavioral health facilities, outpatient and other facilities, nationwide virtual behavioral health services, an insurance offering, a physician network and various related services with physical locations in the U.S., Puerto Rico, Ireland and United Kingdom. Therapists administer treatments and physical agents as prescribed by a referring physician to restore function and prevent disability following injury, disease or physical disability from diagnoses such as stroke, amputation, spinal cord injury, and traumatic brain injury.