Dr. Ahnen is on Doximity
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Office
1755 48th St
Ste 100
Boulder, CO 80301Phone+1 303-604-5000
Education & Training
- Stanford Health Care-Sponsored Stanford UniversityFellowship, Gastroenterology, 1980 - 1983
- University of ColoradoFellowship, Gastroenterology, 1977 - 1979
- Detroit Medical Center/Wayne State UniversityInternship, Internal Medicine, 1973 - 1974
- Wayne State University School of MedicineClass of 1973
Certifications & Licensure
- CO State Medical License 1985 - 2021
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
- Fellow (AGAF) American Gastroenterological Association, 2008
Clinical Trials
- Colonoscopy Versus Fecal Immunochemical Test in Reducing Mortality From Colorectal Cancer (CONFIRM) Start of enrollment: 2012 Apr 30
Publications & Presentations
PubMed
- 72 citationsReal-Time Characterization of Diminutive Colorectal Polyp Histology Using Narrow-Band Imaging: Implications for the Resect and Discard StrategySwati G. Patel, Philip Schoenfeld, Hyungjin Myra Kim, Emily K. Ward, Ajay Bansal
Gastroenterology. 2016-02-01 - 652 citationsLong-term outcome of medical and surgical therapies for gastroesophageal reflux disease: follow-up of a randomized controlled trial.Stuart J. Spechler, Edward L. Lee, Dennis J. Ahnen, Raj K. Goyal, Ikuo Hirano
JAMA. 2001-05-09 - 136 citationsThe association of lifestyle and dietary factors with the risk for serrated polyps of the colorectum.Kristin Wallace, Maria V. Grau, Dennis J. Ahnen, Dale C. Snover, Douglas J. Robertson
Cancer Epidemiology, Biomarkers & Prevention. 2009-08-01
Lectures
- 17th Annual Meeting Collaborative Group of the Americas on Inherited Colorectal CancerMD Anderson Cancer Center, Anaheim, California - 10/7/2013
- 17th Annual Meeting Collaborative Group of the Americas on Inherited Colorectal CancerMD Anderson Cancer Center, Anaheim, California - 10/7/2013
Other
- Risks of Colorectal Cancer and Cancer-Related Mortality in Familial Colorectal Cancer Type X and Lynch Syndrome FamiliesDennis Ahnen, MD, Journal of the National Cancer Institute
https://www.doximity.com/articles/8d19d8e0-3c05-48bd-b6f5-99a0c0696eb0
UpToDate, Wolters Kluwer Health - 2013-02-04 - Risks of Colorectal Cancer and Cancer-Related Mortality in Familial Colorectal Cancer Type X and Lynch Syndrome FamiliesDennis Ahnen, MD, Journal of the National Cancer Institute
https://www.doximity.com/articles/8d19d8e0-3c05-48bd-b6f5-99a0c0696eb0
UpToDate, Wolters Kluwer Health - 2012-06-27 - Risks of Colorectal Cancer and Cancer-Related Mortality in Familial Colorectal Cancer Type X and Lynch Syndrome FamiliesDennis Ahnen, MD, Journal of the National Cancer Institute
https://www.doximity.com/articles/8d19d8e0-3c05-48bd-b6f5-99a0c0696eb0
UpToDate, Wolters Kluwer Health - 2011-11-28 - Join now to see all
Press Mentions
- Fight CRC Moves the Needle Forward at DDWMay 31st, 2022
- Rally on Research: Past, Present, and FutureMay 11th, 2021
- GI Leaders Recognized by AGAs Prestigious Recognition PrizesFebruary 13th, 2020
- Join now to see all
Professional Memberships
- Fellow
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