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WESTERN COLORADO'S LEADING GASTROENTEROLOGY GROUP
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
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William Shields, DO, FACP, FACG
George Winters, MD, FACP, FACG
- Philip Sarges, MD
- Ellen Dy, MD
Physician Assistants
- Hannah Pick, PA-C, MPAS
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Katie Rabbio, PA-C, MPAS
- Leah Barjenbruch, PA-C, MPAS
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
Physician Assistants
Hannah Pick
Hannah is a native of Grand Junction, Colorado. She is excited to be back in the Grand Valley with her
Katie Rabbio
Katie is a Colorado native and is happy to be practicing in western Colorado. She has extensive experience working as
Leah Barjenbruch
Leah has lived in Grand Junction for two years and has been practicing as a physician assistant for more than
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