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Summary

  • Dr. Marc Leaf, MD is a gastroenterologist in Brooklyn, New York. He is currently licensed to practice medicine in New York and New Jersey. He is affiliated with Maimonides Medical Center.

Education & Training

  • Icahn School of Medicine at Mount Sinai/Mount Sinai Hospital
    Icahn School of Medicine at Mount Sinai/Mount Sinai HospitalFellowship, Gastroenterology, 1984 - 1986
  • Icahn School of Medicine at Mount Sinai (Beth Israel)
    Icahn School of Medicine at Mount Sinai (Beth Israel)Residency, Internal Medicine, 1981 - 1984
  • SUNY Upstate Medical University
    SUNY Upstate Medical UniversityClass of 1981

Certifications & Licensure

  • NJ State Medical License
    NJ State Medical License 1986 - Present
  • NY State Medical License
    NY State Medical License 1982 - 2025
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Hospital Affiliations