Our Physicians
Brent Prosser
Dr. Prosser originally hails from Cheyenne, Wyoming. After receiving his degree in biology from Creighton University in Omaha, NE, he
William Shields
Dr Shields is a native of Colorado. He attended Western State Colorado University with a degree in biology followed by
George R. Winters III
Dr. Winters graduated from Cornell University and the University of Vermont, College of Medicine. He completed his Internal Medicine residency
Philip Sarges
Dr. Sarges has a passion for caring for people with gastrointestinal system disorders. He’s experienced in capsule endoscopy, fecal transplant,
Ellen Dy
Dr. Dy graduated from Indiana University School of Medicine and completed her Internal Medicine Residency at the Indiana University Medical
Dan Castresana
Dr. Dan Castresana, M.D., who is relocating with his wife and two daughters from Georgia, is a very skilled gastroenterologist
Michael Harris
Dr. Michael Harris, D.O. has just completed his training in all aspects of gastroenterology and hepatology care, including ERCP, at