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Internist, Gastroenterologist (digestive)
33 years of experience
Video profile
Accepting new patients
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).

Learn more about Dr. Bernard Yonk:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Bernard Yonk is Good. Dr. Yonk has been reviewed by 11 patients who have provided 1 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.9
Courteous Staff 3.9
Accurate Diagnosis 4.1
Bedside Manner 4.3
Spends Time with Me 4.1
Follows Up After Visit 3.9

Specialties & Research

Dr. Bernard Yonk, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Yonk graduated from University of Guadalajara, Mexico, San Antonio. He has 1 awards.

Compassionate Doctor Recognition (2012, 2014)


Dr. Yonk has 13 hospital affiliations:

  • NewYork-Presbyterian / Weill Cornell 
  • Beth Israel Medical Center Petrie Division 


  • Persian
  • Armenian
  • Urdu
  • Russian
  • Hebrew
  • Korean
  • German
  • French
  • Yiddish
  • Spanish

> > > > Dr. Bernard Yonk, MD

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Additional Information
Dr. Bernard Berel Yonk MD is a male Internist, has 33 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Bernard B. Yonk practice?
Dr. Bernard Yonk has 3 office locations.
Dr. Bernard Yonk practices Internal Medicine and Gastroenterology near Brooklyn, NY.
See Brooklyn Internists and Brooklyn Gastroenterologists.