Headquartered in King of Prussia, PA, UHS has 89,000 employees and through its subsidiaries operates 26 acute care hospitals, 334 behavioral health facilities, 39 outpatient facilities and ambulatory care access points, an insurance offering, a physician network and various related services located in 38 U.S. states, Washington, D.C., Puerto Rico and the United Kingdom. Lakeside's comprehensive programs treat disorders such as bipolar disorder, psychological trauma, depression and anxiety, mental illnesses and addictive disease disorders such as alcoholism, drug addiction and substance abuse.