HCA Healthcare, Inc., a leading healthcare service provider in the United States, operates a variety of healthcare facilities through its subsidiaries. These facilities include general and acute care hospitals that offer a range of medical and surgical services, from inpatient care to outpatient care, such as surgery, laboratory, radiology, cardiology, and physical therapy. The company also runs outpatient healthcare facilities, including ambulatory surgery centers, emergency care facilities, urgent care facilities, diagnostic and imaging centers, rehabilitation and physical therapy centers, radiation and oncology therapy centers, physician practices, and other facilities. Among its offerings, HCA Healthcare provides psychiatric care programs for children, adolescents, and adults, as well as counseling services and treatment for alcohol and drug abuse. Founded in 1968 as HCA Holdings, Inc., the company is headquartered in Nashville, Tennessee.