Deerfield Ill.-based SCA Health, formerly Surgical Care Affiliates, is one of the largest ASC chains in the country and operates under parent company Optum.
United Surgical Partners International, Dallas-based Tenet Healthcare’s ASC chain, has seen huge growth in the last five years, becoming the largest chain in the country. The company has added more than 160 ASCs since 2015, when they had 249 centers.
Nashville,Tenn.-based HCA Healthcare operates 184 hospitals and about 2,000 sites of care, including ASCs, freestanding ERs, urgent care centers and physician clinics in 21 states and the United Kingdom.