Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Dennis Ahnen xhas an overall rating of 4.7.

About

Dr. Dennis Ahnen, MD is a Doctor primarily located in Boulder, CO, with other offices in Lakewood, CO and Longmont, CO. He has 42 years of experience. His specialties include Gastroenterology and Internal Medicine. Dr. Ahnen is affiliated with Littleton Adventist Hospital, Saint Joseph Hospital and Boulder Community Health. He speaks English.

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Dr. Dennis Ahnen, MD is similar to these 3 Doctors near Boulder, CO.

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Locations & Directions

Gastroenterology of The Rockies

1755 48th St
Boulder, CO 80301

Kevin Scott Sieja MD

13952 Denver West Pkwy
Lakewood, CO 80401

Gastroenterology of The Rockies

1551 Professional Ln
Longmont, CO 80501

Specialties & Expertise

Dr. Dennis Ahnen has the following 15 areas of expertise and 2 specialties:

  • Gastroenterology

    Specialty

  • Internal Medicine

    Specialty

  • Abdominal Pain

    Expertise

  • Acid Reflux Disease (GERD)

    Expertise

  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)

    Expertise

  • Celiac Disease

    Expertise

  • Colon Cancer

    Expertise

  • Colonic Polyps

    Expertise

  • Colonoscopy

    Expertise

  • Colorectal Cancer

    Expertise

  • Constipation

    Expertise

  • Hemorrhoids

    Expertise

  • Hepatitis C

    Expertise

  • Irritable Bowel Syndrome (IBS)

    Expertise

  • Sigmoidoscopy

    Expertise

  • Tumor Surpressor Gene (Adenomatous Polyposis Coli, APC)

    Expertise

  • Ulcerative Colitis

    Expertise

  • Languages

    • English

School

Wayne State University School Of Medicine, 1973

Residency

Hutzel Hospital

This information is proprietary data maintained in a copyrighted database compilation owned by the American Board of Medical Specialties. Copyright 2016 American Board of Medical Specialties. All rights reserved.