Howard Rattner, MD, FACP, FACG

I see patients at the following locations:

Education

Bachelor’s Degree – University of Pennsylvania

Medical Degree – SUNY Downstate Medical Center

Internship – Cornell Cooperating Hospitals

  • North Shore University Hospital, Manhasset, NY
  • Memorial Sloan-Kettering Cancer Center, New York, NY

Residency – Cornell Cooperating Hospitals

  • North Shore University Hospital, Manhasset, NY
  • Memorial Sloan-Kettering Cancer Center, New York, NY

Fellowship – North Shore University Hospital, Manhasset, NY

Board Certification –  Internal Medicine, Gastroenterology

Honors & Awards

  • New York Magazine, Top Doctors: 2026
  • Top Doctors New York Metro Area (digital guide): 2017-2026
  • Newsday – Top Doctors on Long Island: 2017-2026
  • Castle Connolly Regional Top Doctors: 1st Edition

Specialties & Main Areas of Interest

  • Colon Cancer Screening
  • Colonoscopy
  • Irritable Bowel Syndrome
  • Crohn’s Disease
  • Ulcerative Colitis
  • Barrett’s Esophagus
  • Hepatitis C
  • Liver Disease

Hospital Affiliations

  • North Shore University Hospital
  • St. Francis Hospital
Your Privacy

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognizing you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. The information does not usually directly identify you, but it can give you a more personalized web experience. Because we respect your right to privacy, you can choose to not allow certain types of cookies. Click on the categories on the left to find out more and change your default settings. Blocking some types of cookies may impact your experience on this website.