advertisement
Browse Health
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

4.5
  •  
(7)
Patient comments (0)

The overall average patient rating of Dr. Dennis Ahnen, Professor is Excellent. Dr. Ahnen has been reviewed by 7 patients who have provided 0 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
  •  
Promptness 5.0
  •  
Courteous Staff 5.0
  •  
Accurate Diagnosis 5.0
  •  
Bedside Manner 5.0
  •  
Spends Time with Me 5.0
  •  
Follows Up After Visit 5.0
  •  

Specialties & Research

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

  • He has special expertise in 11 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colon Cancer
  • Colonic Polyps
  • Colonoscopy
  • Colorectal Cancer
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Sigmoidoscopy
  • Tumor Surpressor Gene (Adenomatous Polyposis Coli
  • Ulcerative Colitis

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)

Affiliations

Dr. Ahnen has 9 hospital affiliations:

  • Exempla Inc Saint Joseph Hospital 
  • Exempla Lutheran Medical Ctr 

Languages

  • English

> > > > Dr. Dennis Ahnen, MD

Similar doctors nearby

Dr. Laurence Robbins

Internal Medicine
37 years experience
Denver, CO

Dr. Stephanie Knudson

General Practice
Denver, CO

Dr. David Bekelman

Surgery
16 years experience
Denver, CO

Dr. Thomas Meyer

Internal Medicine
42 years experience
Denver, CO

Dr. Christiane Thienelt

Internal Medicine
15 years experience
Denver, CO

Dr. Sandra Baker

Internal Medicine
33 years experience
Denver, CO
Search All Similar Doctors
Additional Information
Dr. Dennis Ahnen MD is a male Internist, has 39 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Dennis Ahnen practice?
Dr. Dennis Ahnen has 4 office locations.
Dr. Dennis Ahnen practices Internal Medicine and Gastroenterology near Denver, CO.
Additional practice locations include: Aurora, CO and Lakewood, CO.
See Denver Internists and Denver Gastroenterologists.