John T. Casey

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

Eclipsys Corp. provides integrated clinical, revenue cycle and performance management software, clinical content and professional services that help healthcare organizations improve clinical, financial and operational outcomes. The company was founded in 1995 and is headquartered in Atlanta, GA.

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.

Samaritan Foundation supports the advancement of medical research, education, and technology. The non-profit company is based in Phoenix, AZ.

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.

Presbyterian/St. Luke's Medical Center provides health care services. Its services include cancer center, emergency services, featured programs, orthopedics & spine, pediatrics, and sleep medicines. The medical center also provides services for the people in rural areas of Kansas, Nebraska, New Mexico, South Dakota, Utah and Wyoming. The organization was founded in 1881 and is headquartered in Denver, CO.