

Welcome to Grand Junction Gastroenterology.
At Grand Junction Gastroenterology, we’re a group of physicians specializing in the care of digestive and liver related conditions. Our physicians are board-certified Gastroenterologists. We do our best to provide advice, testing, and management for outpatient and inpatient adults with symptoms related to the esophagus, stomach, liver, gallbladder, pancreas, small bowel, and colon. We also provide GI related screening and preventative care for adults without symptoms.
Physicians
- Brent Prosser, MD
- William Shields, DO, FACP, FACG
- Philip Sarges, MD
- George Winters, MD, FACP, FACG
- Eugene Crafton, MD
Physician Assistants
- Kirsten Boland, PA (ASCP), PA-C
- Hannah Pick, MPAS, PA-C
Our Physicians
Brent Prosser
MDDr. Prosser originally hails from Cheyenne, Wyoming. After receiving his degree in biology from Creighton University in Omaha, NE, he
Eugene Crafton
MDDr. Crafton has been helping patients with digestive and liver disease since 1997. After graduating from medical school at the
William Shields
DO, FACP, FACGDr Shields is a native of Colorado. He attended Western State Colorado University with a degree in biology followed by
George R. Winters III
MD, FACP, FACGDr. Winters graduated from Cornell University and the University of Vermont, College of Medicine. He completed his Internal Medicine residency
Philip Sarges
MDDr. Sarges has a passion for caring for people with gastrointestinal system disorders. He’s experienced in capsule endoscopy, fecal transplant,
Physician Assistants
Kirsten Boland
PA (ASCP), PA-CKirsten Boland, PA, joined the Grand Junction Gastroenterology team in the fall of 2019, specializing in liver disease diagnosis, care,
Hannah Pick
MPAS, PA-CHannah is a native of Grand Junction, Colorado. She is excited to be back in the Grand Valley with her
What Sets Us Apart

Team Of Board-Certified Specialists

Providing Personalized & Innovative Gastroenterological Care

Utilizing The Latest & Most Advanced Techniques

Offering Long-Term Patient Follow-Up & Direct Physician Access