Dennis Ahnen, MD
Associate Professor Emeritus, Medicine

Clinic (303) 399-8020
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Gender: Male
Languages: English
Department, Section/Division: Medicine

Practice Locations

University of Colorado Hospital (UCH)
12605 E. 16th Ave
Aurora, CO 80045
720-848-0000
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Denver Veterans Affairs Medical Center
1055 Clermont St
Denver, CO 80220
1-888-336-8262
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Hospital Affiliation
  • Veterans Affairs Medical Center
  • University of Colorado Hospital

Specialty Information

Specialties
  • Internal Medicine - Gastroenterology, Board Certification (1985)
  • Internal Medicine, Board Certification
Conditions & Treatments
  • Cancers - Colorectal Cancer
  • Digestive System - Colonoscopy
  • Digestive System - Gastroenterology (Stomach, Bowel, General GI Problems)

Information for Referring Providers

Clinical Interests for Referring Providers
Colon Cancer Prevention, General Gastrointestinal Disorders

Research Interest for Referring Providers
At the basic level the Ahnen Lab is examining the biologic and the biochemical mechanisms of the chemopreventive effects of the non-steroidal anti-inflammatory drugs (NSAIDs). The lab is currently examining the effect of NSAIDs on EGF receptor expression and function. Dr. Ahnen collaborates closely with the laboratory group of Pamela Rice, PhD a faculty member in the Division on this basic science work. Dr. Ahnen's clinical trials group participates in several colorectal cancer prevention trials including several adenoma chemoprevention trials. Dr. Ahnen also collaborates with Al Marcus PhD and staff at the AMC Cancer Research Center to evaluate behavioral interventions to increase colorectal cancer screening rates in high-risk populations and he directs the Colorado site for two national cancer registries that identify high risk families for genetic and clinical trials.

Clinic Phone: (303) 399-8020
Contact Us
In An Emergency: Please Dial 911

University of Colorado Medicine (CU Medicine)
http://www.CUmedicine.us/contact-us
Refer a Patient: 720-848-2828
Billing Questions: 303-493-7000

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