Since 1998, Abrazo Arizona Heart Hospital has served as the area’s leading hospital for the diagnosis and treatment of heart and vascular disease. The hospital has distinguished itself as one of the nation’s top 100 cardiovascular hospitals, recognized for surgical performance, clinical efficiencies, and better patient outcomes. Arizona Heart Hospital was purchased by Abrazo Community Health Network, a subsidiary of Vanguard Health Systems, in 2010. Abrazo Health Care is the second largest health care delivery system in Arizona, United States. In 2013, Vanguard was acquired by Tenet Healthcare.