Dr. Gareth Weiner, M.D., earned his medical degree from the University of Colorado Health Sciences Center in Denver, CO. He completed his internship and residency in Internal Medicine at St. Joseph Hospital in Denver and went on to finish his fellowship in Gastroenterology at the University of Colorado Health Sciences Center in Denver. Dr. Weiner completed additional training in Advanced Therapeutic Endoscopy at Gastroenterology Consultants in Racine, Wisconsin.
Dr. Gareth Weiner, M.D., earned his medical degree from the University of Colorado Health Sciences Center in Denver, CO. He completed his internship and residency in Internal Medicine at St. Joseph Hospital in Denver and went on to finish his fellowship in Gastroenterology at the University of Colorado Health Sciences Center in Denver. Dr. Weiner completed additional training in Advanced Therapeutic Endoscopy at Gastroenterology Consultants in Racine, Wisconsin.
Dr. Gareth Weiner, M.D., earned his medical degree from the University of Colorado Health Sciences Center in Denver, CO. He completed his internship and residency in Internal Medicine at St. Joseph Hospital in Denver and went on to finish his fellowship in Gastroenterology at the University of Colorado Health Sciences Center in Denver. Dr. Weiner completed additional training in Advanced Therapeutic Endoscopy at Gastroenterology Consultants in Racine, Wisconsin.
Dr. Weiner has been the President of Rocky Mountain Gastroenterology since January 2014. In additional to continuing to treat patients, he is the President of our organization and is involved with all operational decisions made by RMG. He is a member of the American Gastroenterological Association, the American College of Gastroenterology, the American Society of Gastrointestinal Endoscopy, the American College of Physicians, the Colorado Medical Society and the Denver Medical Society. He is board certified in Internal Medicine and Gastroenterology.

Grateful for the outcome. Dr. Weiner has a wonderful attitude. He was very kind and explained everything clearly.
Very professional, made me feel at ease with the procedure
Attentive doctor. I’ve been with Dr. Wiener for about 15+ years. Provides the information you want and need with assurance that all will be fine.
My first colonoscopy with Dr. Weiner went extremely well. I very much appreciate the caring professionals on his team.
The whole team was amazing...and dr. Weiner was great
Very thorough explanations.
Very good bedside manner’s. Very friendly and kind
A no nonsense, confident doctor that seems to be knowledgeable. Procedure went well.
Very informative
Dr Weiner went above and beyond to make me feel comfortable and at ease. He was patient, informative regarding my procedure. ( this was especially important to me as I had not had this procedure before).