O. Edwin French

Physician Reliance Network LLC owns and operates cancer research centers. The company was founded in June 1993 and is headquartered in The Woodlands, TX.

MedCath Corp. operated as a healthcare provider focused primarily on providing acuity services, including the diagnosis and treatment of cardiovascular disease. It owned an interest in and operated six hospitals located in Arizona, Arkansas, California, Louisiana, New Mexico, and Texas. The company was founded in 1988 and was headquartered in Charlotte, NC.

Wilmington Heart Services LLC provides diagnosis and treatment of cardiovascular diseases. It manages cath labs, nuclear cameras, external counter pulsation, and sleep centers. The company assists cardiology practices and hospitals in developing outpatient diagnostic and therapeutic facilities. Wilmington Heart Services is located in Wilmington, DE

Samaritan Health System operates hospitals and provides healthcare services. It offers neurosurgical consultative and surgical services to patients. The firm offers family medical care, medical education and community services. The company was founded in 1881 and is headquartered in Watertown, NY.

American Medical International, Inc. develops and operates integrated health care delivery systems by offering health care services and medical benefit programs. The company is now known as Tenet Healthcare Corporation

Methodist Health System, Inc. operates as a health system for families and communities. The non-profit company is based in Memphis, TN and has subsidiaries in United States. James C. Scoggin has been the CEO of the company since 2019.