GregoryStephenSayukMD

Gastroenterology • Saint Louis, MO

Assistant Professor, Internal Medicine, Washington University School of Medicine

Join to view full profile

Dr. Sayuk is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals 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.

See Dr. Sayuk's full profile

Already have an account?

Office
915 N Grand Blvd
Saint Louis, MO 63106
Phone+1 314-289-6434

Fax+1 314-289-7041

Education & Training

Washington University/B-JH/SLCH ConsortiumFellowship, Gastroenterology, 2003 - 2006
Washington University/B-JH/SLCH ConsortiumResidency, Internal Medicine, 2000 - 2003
McGovern Medical School at UTHealthClass of 2000

Certifications & Licensure

MO State Medical License 2001 - 2026
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Gastroenterology

Clinical Trials

Irritable Bowel Syndrome (IBS) Functional Magnetic Resonance Imaging (fMRI) With Desipramine Start of enrollment: 2009 Feb 01
Completed
Not Applicable

Publications & Presentations

PubMed

Rome Foundation Working Team Report on overlap in disorders of gut-brain interaction.
Giovanni Barbara, Imran Aziz, Sarah Ballou, Lin Chang, Alexander C Ford
Nature Reviews. Gastroenterology & Hepatology. 2025-01-27
Tenapanor Improves Abdominal Symptoms Irrespective of Changes in Complete Spontaneous Bowel Movement Frequency in Adults with Irritable Bowel Syndrome with Constipation.
Darren M Brenner, Gregory S Sayuk, Brooks D Cash, Lucinda A Harris, Nitin K Ahuja
Digestive Diseases. 2024-12-19
Predictors of No-Shows After an Endoscopic Mucosal Resection in Veterans: A Retrospective Analysis.
Mahmoud Y Madi, Yassine Kilani, Hayden Rotramel, Michelle Baliss, Jill Elwing
Cureus. 2024-12-01

Journal Articles

Dallas Steatosis Index Identifies Patients with NAFLD
Scott Mchenry, Jeffrey D Browning, Gregory Sayuk, Nicholas O Davidson, Clinical Gastroenterology and Hepatology
Use of a Transparent Cap Increases the Diagnostic Yield in Antegrade Single-Balloon Enteroscopy for Obscure GI Bleed
Gregory Sayuk, Daniel Mullady, Dayna Early, Vladimir Kushnir, Digestive Diseases and Sciences

Authored Content

Dallas Steatosis Index Identifies Patients with NAFLDJanuary 2020

Press Mentions

GI Advocacy Group Kicks off #YouandIBS Campaign for IBS Awareness MonthApril 1st, 2023
Constipation Awareness Month: Potential Breakout Therapies to Watch in 2023December 24th, 2022
IBS Awareness Month: Diagnostic Tips, Treatment Options, Multidisciplinary Care and MoreApril 16th, 2022
Join now to see all

Grant Support

Influence Of Somatization On Central Pain Responses In Irritable Bowel SyndromeNational Institute Of Diabetes And Digestive And Kidney Diseases2010–2012