Vanguard symbolizes the repeat entrepreneur track record of so many Nashville health care executives.

After Tenet Healthcare purchases OrNda from Charlie Martin, he launches Vanguard with funding from Morgan Stanley Capital partners. New York-based Blackstone Group buys the company for $1.75 billion in 2004 and takes it public in 2011.

Tenet will acquire Vanguard for $4.3 billion in 2013.