Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. John Roark xhas an overall rating of 2.6.

About

Dr. John Roark, MD is a Doctor primarily located in Oakland, CA. He has 39 years of experience. His specialties include Gastroenterology and Internal Medicine. Dr. Roark is affiliated with Alameda Hospital, Alta Bates Summit Medical Center Alta Bates Campus and Doctors Medical Center. He speaks English.

Nearby Doctors

Dr. John Roark, MD is similar to these 3 Doctors near Oakland, CA.

Doctor

Dr. Silvia Villagomez

27 years experience

4.6 of 5

Doctor

Dr. Paul Chard

18 years experience

4.5 of 5

Doctor

Dr. Earl Darby

39 years experience

5.0 of 5

Locations & Directions

Northern California Gastroenterology Consultants

300 Frank H Ogawa Plz
Oakland, CA 94612

Specialties & Expertise

Dr. John Roark has the following 10 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

  • Colonoscopy

    Expertise

  • Constipation

    Expertise

  • Hemorrhoids

    Expertise

  • Hepatitis C

    Expertise

  • Irritable Bowel Syndrome (IBS)

    Expertise

  • Ulcerative Colitis

    Expertise

  • Languages

    • English

School

University Of California Los Angeles David Geffen School Of Medicine, 1977

Residency

Ucla Medical Center

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.