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Dr. Dennis James Ahnen MD is a male Internist, has 37 years of experience and practices in Internal Medicine and Gastroenterology.
Video profile
Dr. Dennis Ahnen has 3 office locations.
Hale
Va Eastern Colorado Health Care System(Echcs)
1055 Clermont St
Denver, CO 80220

Phone Number
Locations and availability (3)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

4.0
  • Currently 4 of 4 stars
(3)
Patient comments (0)

The overall average patient rating of Dr. Dennis Ahnen, Professor is Excellent. Dr. Ahnen has been reviewed by 3 patients who have provided 0 comments. The rating is 4 out of 4 stars.

Patient Ratings
Ease of Appointment 4.0
  • Currently 4 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

Dr. Dennis Ahnen, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 7 areas:
  • Colon Cancer
  • Colonic Polyps
  • Colonoscopy
  • Colorectal Cancer
  • Sigmoidoscopy
  • Tumor Surpressor Gene (Adenomatous Polyposis Coli
  • Ulcerative Colitis

Education & Awards

Dr. Ahnen graduated from Wayne State University, Detroit. He has 5 awards.

Awards  
One of America's Leading Experts on:
Colon Cancer (Colonic Neoplasm)
Colonic Polyps
Colonoscopy
Colorectal Cancer (Colorectal Neoplasm)
Castle Connolly's Top Doctors™ (2013)

Affiliations

Dr. Ahnen has 6 hospital affiliations:

  • University Hospital - Denver 
  • University of Colorado Hospital 

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Additional Information
Where does Dr. Dennis J. Ahnen practice?
Dr. Dennis Ahnen practices Internal Medicine and Gastroenterology near Denver, CO.
Additional practice locations include: Aurora, CO.
See Denver Internists and Denver Gastroenterologists.