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Office
1000 Northern Blvd
Ste 140
Great Neck, NY 11021Phone+1 516-466-2340Fax+1 516-829-6421
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 EMR, Epic Systems Corporation, 2013
- Top MD Consumers Checkbook
Clinical Trials
- Evaluating a Shared Decision Making Program for Crohn's Disease Start of enrollment: 2014 Mar 01
Publications & Presentations
PubMed
- Safety of Immunosuppression in a Prospective Cohort of Inflammatory Bowel Disease Patients With a HIstoRy of CancEr: SAPPHIRE Registry.Steven H Itzkowitz, Yue Jiang, Cristina Villagra, Jean-Frederic Colombel, Keith Sultan
Clinical Gastroenterology and Hepatology. 2025-04-01 - The 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. 2025-03-01 - Gastrointestinal Neuroectodermal Tumor/Extraskeletal Ewing Sarcoma of the Ileum with Ulcerative Colitis.Tianyu She, Stephanie Ren, Seymour Katz
Case Reports in Gastroenterology. 2024-12-12
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
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