United Surgical Partners International (USPI) is an American ambulatory care company based in Dallas, Texas.

The company had partnerships with over 4,000 physicians and over 50 health systems in the United States, with over 19,000 employees.

In April 2015, USPI and Tenet Healthcare entered into an agreement to create an ambulatory surgery platform.

[3] United Surgical Partners International was founded in 1998 by Don Steen along with the primary stockholder Welsh, Carson, Anderson & Stowe.

he first hospital joint venture followed shortly in June 1999 with Baylor Health Care System.