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
William Shields, DO, FACP, FACG
George Winters, MD, FACP, FACG

Philip Sarges, MD
Ellen Dy, MD
Michael Harris, DO

Brent Prosser, MD
William Shields, DO, FACP, FACG
George Winters, MD, FACP, FACG
Philip Sarges, MD
Ellen Dy, MD
Michael Harris, DO

Physicians Assistants

Hannah Pick, PA-C, MPAS
Leah Barjenbruch, PA-C, MPAS

Katie Rabbio, PA-C, MPAS
Meagan Taylor, PA-C

Hannah Pick, PA-C, MPAS
Leah Barjenbruch, PA-C, MPAS
Katie Rabbio, PA-C, MPAS
Meagan Taylor, PA-C

Important Practice Update: We're Moving

Grand Junction Gastroenterology is relocating to better serve you.

Starting March 31, 2026, all patient care will take place at our temporary location:
2596 Patterson Road Grand Junction, CO 81505

This move ensures continuity of care while we prepare our new, permanent facility.

We anticipate moving to our permanent location:
2503 Foresight Circle Grand Junction, CO 81505
(July 2026 - Final Date to be Announced)

Please update your records and direct all visits and referrals to our Patterson Road location beginning March 31st.

We appreciate your flexibility and look forward to welcoming you to our new space soon.

Please Note Procedures (colonoscopy/EGD) scheduled at Grand Junction Endoscopy Center, 1035 Wellington Avenue, Grand Junction, CO 81501 will still be performed at this location. This aspect of your care is not changing.