National Medical Enterprises. Founded in 1969 by three attorneys, the company quickly went public and acquired many new hospitals and health care facilities. In 1992, NME was raided by federal agents on suspicion of insurance fraud, based on allegations by insurance companies, and the company paid more than $370 million in fines for various charges, including the abuse of psychiatric patients. In 1995 the company changed its name to Tenet Healthcare Corporation (NYSE: THC). [Source: military.com] There’s an interesting timeline of its development at http://www.ect.org/tenet/.