Abrazo Arizona Heart HospitalAbrazo Arizona Heart Hospital is a privately owned hospital in Phoenix, Arizona, United States.HistoryIt was founded in 1981 by Edward Diethrich, and in 2010, it was purchased by Abrazo [Community Health Network], a subsidiary of Vanguard Health Systems. The hospital was accredited by The Society of [Chest Pain Centers] and was mentioned in the 2008 Reuters 100 Top Hospitals for Cardiovascular Care In 2013, Vanguard was acquired by Tenet Healthcare.