Skip to main content
John Ackert, MD, Gastroenterology, New York, NY, Lenox Hill Hospital

JohnAckertMD

Gastroenterology New York, NY

Assistant Professor of Medicine, NYU School of Medicine

Dr. Ackert is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Connect with other colleagues in the same hospital or clinic
  • Search all U.S. specialist profiles and refer a patient
  • Read the latest clinical news and earn CME/CEU credits

See Dr. Ackert's full profile

Already have an account?

Education & Training

  • NYU Grossman School of Medicine
    NYU Grossman School of MedicineFellowship, Gastroenterology, 1975 - 1977
  • NYU Grossman School of Medicine
    NYU Grossman School of MedicineResidency, Internal Medicine, 1973 - 1977
  • New York University School of Medicine
    New York University School of MedicineClass of 1972

Certifications & Licensure

  • NY State Medical License
    NY State Medical License 1973 - 2025
  • CT State Medical License
    CT State Medical License 1994 - 2004
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

  • Top Doctors: New York Metro Area Castle Connolly, 2002-2014
  • CMS Meaningful Use Stage 1 Certification Centricity Practice Solution EMR, GE Healthcare, 2011-2013
  • Top MD Consumers Checkbook

Press Mentions

  • Best Gastroenterologists in New York
    Best Gastroenterologists in New YorkJuly 5th, 2019

Hospital Affiliations