
Seymour Katz MD
Inflammatory Bowel Disease
Clinical Professor of Medicine NYU School of Medicine
Join to view full profile
1999 Marcus Ave300Lake Success, NY 11042
Phone+1 516-466-2340
Fax+1 516-829-6421
Dr. Katz is on Doximity
As a Doximity member, you’ll join more than three million U.S. healthcare professionals—including 85+% of physicians, and 2/3 of all NPs and PAs—in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Summary
- Dr. Seymour Katz is a gastroenterologist based in Lake Success, NY, with a subspecialty in inflammatory bowel disease. He completed his medical education at the New York University School of Medicine and underwent residencies at the Albert Einstein College of Mediicne and a fellowship in gastroenterology at The New York Cornell University and Memorial Sloan Kettering Hospitals.He is clinical professor of medicine at the New York University Grossman School of Medicine. His clinical experience covers general gastroenterology and specific conditions such as inflammatory bowel disease i.e.,, ulcerative colitis, and Crohn's disease. Dr. Katz has contributed to the field with 175 publications focused on gastrointestinal issues and inflammatory bowel disease. He has also been involved in clinical trials evaluating shared decision-making programs for Crohn's disease. His accolades include president of the American Cllege ofGastroenterology
Education & Training
New York Presbyterian Hospital (Cornell Campus)Fellowship, Gastroenterology, 1969 - 1971
Montefiore Medical Center/Albert Einstein College of Medicine (Moses and Weiler Campuses)Residency, Internal Medicine, 1968 - 1969
Montefiore Medical Center/Albert Einstein College of Medicine (Moses and Weiler Campuses)Residency, Internal Medicine, 1964 - 1966
New York University School of MedicineClass of 1964
Certifications & Licensure
NY State Medical License 1965 - 2026
NJ State Medical License 1966 - 2013
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2014, 2016-2017
Clinical Trials
Publications & Presentations
PubMed
- 1 citationsThe Impact of Concomitant Hypothyroid Disease on the Course of Inflammatory Bowel Disease.Maaz Ahsan, Jahnavi Udaikumar, Simon Hong, Adam S Faye, Seymour Katz
Digestive Diseases and Sciences. 2025-05-01 - 1 citationsJejunal Lipoma-Induced Intussusception Mimicking Crohn's Disease: A Case Report.Naveena Luke, Tianyu She, Divya Roy, Toyooki Sonoda, Seymour Katz
Case Reports in Gastroenterology. 2025-04-23 - A Case Report: Cryptogenic Multifocal Ulcerative Stenosing Enteritis - A Diagnostic Challenge Mimicking Crohn's Disease.Naveena Luke, Inna Carmela De Leon, Shayan Azizi, Seymour Katz
Case Reports in Gastroenterology. 2025-04-01
Journal Articles
- Inflammatory Bowel Disease in the Baby to Baby Boomer: Pediatric and Elderly Onset of IBDAnita Afzali, Seymour Katz, Current Treatment Options in Gastroenterology
Press Mentions
Mount Sinai Brooklyn Pharmacy ResidencyDecember 24th, 2020
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:









