HCA Healthcare, Inc. is a health care services company, which engages in operating hospitals, freestanding surgery centers and emergency care facilities, urgent care facilities, walk-in clinics, diagnostic and imaging centers, radiation and oncology therapy centers, comprehensive rehabilitation and physical therapy centers, physician practices, home health, hospice, outpatient physical therapy home and community-based services providers, and various other facilities. The firm operates general and acute care hospitals that offer medical and surgical services, including inpatient care, intensive care, cardiac care, diagnostic, and emergency services, and outpatient services, such as outpatient surgery, laboratory, radiology, respiratory therapy, cardiology, and physical therapy. The company was founded by Dr. Thomas F. Frist, Jr in 1968 and is headquartered in Nashville, TN.