HCA Holdings, Inc. is a healthcare services company. The Company's segment is operating hospitals and related healthcare entities. The Company operates approximately 168 hospitals, consisting of 164 general, acute care hospitals; three psychiatric hospitals, and one rehabilitation hospital. In addition, the Company operates approximately 116 freestanding surgery centers. Its facilities are located in approximately 20 states and England. The Company's general, acute care hospitals typically provide a range of services to accommodate such medical specialties as internal medicine, general surgery, cardiology, oncology, neurosurgery, orthopedics and obstetrics, as well as diagnostic and emergency services. Its psychiatric hospitals provide therapeutic programs, including child, adolescent and adult psychiatric care, adult and adolescent alcohol and drug abuse treatment and counseling. It operates approximately three psychiatric hospitals with over 396 licensed beds.