F. Otis Stephen MD AGAF, FACG, FASGE

Advanced Endoscopic Interventional

Professor of Clinical Medicine, David Geffen School of Medicine at UCLA, Director of Small Bowel Endoscopy Program

100 UCLA Medical Plz Ste 205Los Angeles, CA 90024
Phone+1 310-582-6240
Fax+1 424-259-7789

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Summary

F. Stephen, MD, is a gastroenterologist based in Los Angeles, CA, specializing in advanced endoscopic interventions of the small intestine. He completed his medical degree at Ohio State University College of Medicine in 1998, followed by a residency in Internal Medicine at Johns Hopkins University and a fellowship in Gastroenterology at Saint Louis University School of Medicine. Dr. Stephen has held positions as a Clinical Professor at UCLA Health System - Westwood since 2025, and was previously Director of the Small Bowel Diseases & Nutrition Program at Cedars-Sinai from 2021 to 2024. He is experienced in small intestine disease, balloon enteroscopy, and small bowel bleeding, and has contributed to several publications in reputable journals, with notable works on pancreatic cancer biomarkers and gastrointestinal issues.

Education & Training

SSM Health/Saint Louis University School of MedicineFellowship, Gastroenterology, 2003 - 2006
Johns Hopkins UniversityResidency, Internal Medicine, 1998 - 2001
Ohio State University College of MedicineClass of 1998

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Certifications & Licensure

CA State Medical License 2001 - 2027
MO State Medical License 2003 - 2007
American Board of Internal Medicine Gastroenterology

Publications & Presentations

PubMed

Double-balloon enteroscopy for luminal evaluation of the excluded stomach: a retrospective multicenter analysis.
Peter Albares, F Otis Stephen, Lauren Pioppo-Phelan, Catherine Hudson, Alice Parish
Igie. 2026-06-01
11 citations
Pancreatic and Gastric Heterotopia with Associated Submucosal Lipoma Presenting as a 7-cm Obstructive Tumor of the Ileum: Resection with Double Balloon Enteroscopy.
Jiang K, Stephen Fo, Jeong D, Pimiento Jm
Case Reports in Gastroenterology. 2015-05-01
59 citations
Serum HSP70: a novel biomarker for early detection of pancreatic cancer.
Sudhir K. Dutta, Mohit Girotra, Montish Singla, Anand Dutta, F. Otis Stephen
Pancreas. 2012-05-01