Vanguard Health Systems
CEO: Charles Martin Jr.
Fiscal 2012 revenue1: $5.9 billion
Licensed beds: 7,064
Biggest presence in: Texas
Subsidiaries: Phoenix Health Plan, Abrazo Advantage Health Plan, Valley Baptist Insurance Co.
1Vanguard’s fiscal 2012 ended June 30 2Includes several, such as the five Baptist Health System facilities in San Antonio, that operate under a single Medicare provider number.