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Dr. Dennis James Ahnen MD is male, has 36 years of experience and practices in Internal Medicine and Gastroenterology.
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Dr. Dennis Ahnen has 6 office locations.
Veterans Affairs Eastern Colorado Health Care System
1055 Clermont St # 111-E
Denver, CO 80220

Phone Number
Locations and availability (6)
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
(2)
Patient comments (0)

The overall average patient rating of Dr. Dennis Ahnen, Professor is Excellent. Dr. Ahnen has been reviewed by 2 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 9 Areas, including Cancers - Colorectal Cancer, Colon Cancer, and Colonic Polyps.

6 more special expertise areas
More Specialties & Research

Education & Awards

Dr. Ahnen graduated from Wayne State University, Detroit. He has 4 awards.

Awards  
One of America's Leading Experts on:
Colon Cancer (Colonic Neoplasm)
Colonic Polyps
Colonoscopy
Colorectal Cancer (Colorectal Neoplasm)
More Education & Awards

Affiliations

Dr. Ahnen has 6 hospital affiliations:

  • University Hospital - Denver 
  • Denver Health Medical Center 

More Affiliations

Accepted Insurance Plans

Dr. Ahnen accepts these health insurances in at least one office:

  • Colorado Medicaid - 1 plan
  • United Healthcare - 2 plans
  • Great-West Healthcare - 3 plans
  • Rocky Mountain Health Plans - 2 plans
  • Colorado Access Health Plan - 1 plan
  • USA H & W Network - 1 plan
  • Unicare - 5 plans
  • Humana - 2 plans
  • Cigna - 6 plans

More Accepted Insurance

Learn more about Dr. Dennis Ahnen:

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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.
Similar Physician Names
Dr. Denny Ahnen, Dr. Dwight Ahnen, Dr. Sydney Ahnen, Dr. Dion Ahnen, Dr. Sidney Ahnen, Dr. Denis Ahnen