United Surgical Partners International, Inc. (USPI) is a healthcare services company that operates surgical facilities and provides ancillary services to hospitals and other healthcare providers. The company was founded in 1998 and is headquartered in Addison, Texas. USPI's facilities offer a range of surgical services, including orthopedics, neurosurgery, and gastroenterology. The company also provides management and consulting services to healthcare providers. USPI operates over 400 facilities across the United States and the United Kingdom.