January 1992: Charles N. Martin Jr., the former chief operating officer at Nashville, Tenn.-based Healthtrust, is hired by Republic Health Corp., Dallas, as chairman, president and chief executive officer.
September 1992: Martin moves Republic from Dallas to Nashville, and the company's name is changed to OrNda HealthCorp. OrNda is an Iroquois name that means "well-being." The new name is selected to help rid the company of its past woes, which included a bankruptcy reorganization.
June 1994: In the largest healthcare fraud fine ever, National Medical Enterprises agrees to pay $379 million to settle criminal and civil charges that it paid $20 million to $40 million to physicians, therapists and social workers for psychiatric patient referrals from 1985 to 1990.
March 1995: NME acquires American Medical International, a Dallas-based chain of 35 hospitals, for $3.3 billion in cash and stock. The combined company changes its name to Tenet Healthcare Corp., with headquarters in Santa Barbara, Calif., and main business operations in Dallas.
October 1996: Tenet agrees to acquire OrNda for $1.8 billion in stock and $1.3 billion in assumed debt. Jeffrey Barbakow will remain chairman and CEO of Tenet. Martin, OrNda's top executive, will serve as vice chairman and a member of the board's executive committee.