Browse Health
Internist, Gastroenterologist (digestive)
32 years of experience
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).

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Specialties & Research

Dr. Harvey Klein, 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. Klein graduated from Tufts University, Boston.


Dr. Klein has 4 hospital affiliations:

  • NewYork-Presbyterian / Weill Cornell 
  • New York Presbyterian Hospital / The Allen Pavilion 


  • Hebrew
  • Yiddish

> > > > Dr. Harvey Klein, MD

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Additional Information
Dr. Harvey Allan Klein MD is a male Internist, has 32 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Harvey A. Klein practice?
Dr. Harvey Klein has 1 office location.
Dr. Harvey Klein practices Internal Medicine and Gastroenterology near Brooklyn, NY.
See Brooklyn Internists and Brooklyn Gastroenterologists.