Genetics Clinic at Gastroenterology of the Rockies

Dennis J. Ahnen MD, AGAF, FACG & Jennie W. Feiger, MS, MA, PA-C

Dr. Ahnen has extensive experience in Gastroenterology, ranging from his work in clinical medicine to laboratory research.

Jennie W. Feiger, PA-C holds Masters degrees from UC Berkeley in both genetic counseling and molecular biology and specializes in hereditary cancer counseling in addition to diagnosing and treating all varieties of internal medicine disorders.

Dr. Ahnen started this Hereditary Genetic Clinic with the aim to capture patients and their families who are at high risk for developing colorectal cancer.

With this mission, Gastroenterology of the Rockies provides patients and their family members with a more thorough and sophisticated approach for colorectal cancer screenings. This approach aides in significantly decreasing and preventing patients and their family members from developing colorectal cancer.