Bergein F. Overholt

AmSurg Corp. operates an Ambulatory services business. It acquires, develops and operates ambulatory surgery centers in partnership with physician practice groups throughout the U.S. The company also operates a Physician Services business that provides outsourced physician services in multiple specialties to hospitals, ASCs and other healthcare facilities, primarily in the areas of anesthesiology, children's services, emergency medicine and radiology. AmSurg was founded in 1992 and is headquartered in Nashville, TN.

CRH Medical Corp. engages in the provision of gastroenterologists with services and products for the treatment of gastrointestinal diseases. It operates through the following business segments: Anesthesia Services, Product Sales, and Other. It also offers the CRH O'Regan System, which focuses on physician education, patient outcomes, and patient awareness. The Other segment covers the corporate activities. The company was founded in 2000 and is headquartered in Vancouver, Canada.

Gastrointestinal Associates PC provides treatment for gastrointestinal problems. The private company is based in Knoxville, TN.

Thompson Cancer Survival Center operates as a cancer survival center. It offers Clinical services. Support & Spiritual health services. The company is headquartered in Knoxville, TN.

The Whitestone Group Inc. provides spectrum security and asset protection services to federal government agencies. It provides government, strategic, corporate security, facility, security, mobile facilities and armored vehicles services. The company was founded by John D. Clark, Sr. in April 2000 and is headquartered in Columbus, OH.

Part of Modernizing Medicine, Inc., General Medical Applications, Inc. provides powerful electronic medical record systems for the gastroenterology industry. The company is based in Weston, FL. General Medical Applications was acquired by Modernizing Medicine, Inc. on September 01, 2015.