Ofer Fass MD

Physician

259 E Erie StSte 1600Chicago, IL 60611
Phone+1 312-695-5620
Fax+1 312-695-2778

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Education & Training

Stanford Health Care-Sponsored Stanford UniversityFellowship, Gastroenterology, 2021 - 2024
NYU Grossman School of MedicineChief Residency, Internal Medicine, 2020 - 2021
NYU Grossman School of MedicineResidency, Internal Medicine, 2017 - 2020
Harvard Medical SchoolClass of 2017

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Certifications & Licensure

IL State Medical License 2024 - 2029
CA State Medical License 2021 - 2025
NY State Medical License 2019 - 2022
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology

Publications & Presentations

PubMed

Machine Learning Clustering Identifies Achalasia-Spectrum Phenotypes in Distal Esophageal Spasm.
Ofer Z Fass, John E Pandolfino, Dustin A Carlson
Journal of Neurogastroenterology and Motility. 2026-07-30
Functional and Anatomical Significance of Patulous Anus.
Leila Neshatian, Mohamad I Itani, Ofer Fass, George Triadafilopoulos, Vipul Sheth
Digestive Diseases and Sciences. 2026-06-04
Trends in Utilization of Surgical and Endoscopic Anti-Reflux Procedures in the United States (1995-2024).
Daniel Martin Simadibrata, Ofer Zvi Fass, Ronnie Fass
Digestive Endoscopy. 2026-06-01