William D Chey, MD, MACG, AGAF, FACP, RFF

chey-william
H Marvin Pollard Professor of Gastroenterology
Professor of Internal Medicine
Section Head, Division of Gastroenterology, Medical School
Professor of Nutritional Sciences, School of Public Health
Available to mentor
William D Chey, MD, MACG, AGAF, FACP, RFF
chey-william
Professor
  • About
  • Qualifications
  • Center Memberships
  • Research Overview
  • Recent Publications
  • Manage Your Profile

  • About

    Dr. Chey received his BA degree from the University of Pennsylvania and medical degree & training in internal medicine at the Emory University School of Medicine. He went on to complete a fellowship in gastroenterology at the University of Michigan. Since completing this fellowship, Dr. Chey has remained at the University of Michigan, where he is H. Marvin Pollard Professor of Gastroenterology, Professor of Nutrition Sciences, and Chief, Division of Gastroenterology & Hepatology. Dr. Chey runs a very active clinical research group which has received funding from federal and private sources. Dr. Chey has authored more than 500 manuscripts, reviews and book chapters yielding an H-index of 102. He is former Co-editor-in-Chief of the American Journal of Gastroenterology (2010-2016) and serves on the editorial boards of several other journals. He serves as a member of the Board of Trustees of the American College of Gastroenterology. He is on the Board of Directors of the Rome Foundation and IFFGD. He has participated in and directed numerous national and international continuing medical education programs in gastroenterology, and has been elected to the roster of Best Doctors since 2001 and America's™ Top Doctors since 2009. Dr. Chey has received numerous awards including the Berk-Fise Award for outstanding clinical service from the ACG, the Distinguished Clinician Award from the AGA, Dean’s Outstanding Clinician Award, Dean’s Award for Innovation and Commercialization, and the Healio Disruptive Innovator Award. He served as President of the American College of Gastroenterology in 2025-2026.

    Qualifications

    • MD
      Emory University Medical School, Atlanta, United States
      1982 - 1986
    • BA
      University of Pennsylvania, Philadelphia, United States
      1978 - 1982

    Center Memberships

    • Center Member
      AI and Digital Health Innovation

    Research Overview

    Diagnosis and treatment of irritable bowel syndrome (IBS), constipation, fecal incontinence; gastroesophageal reflux disease (GERD), and "H. pylori" infection.

    Recent Publications

    See All Publications
    • Journal Article
      Comparative Effectiveness of Biofeedback vs Dextranomer-Hyaluronate Injection for Fecal Incontinence: A Randomized Clinical Trial.
      Bharucha AE, Rao SSC, Whitehead WE, Meyer I, Chey WD, Gantz MG, Richter HE, Chua HK, Heymen S, Lu TT, Menees SB, Perry WRG, Sridhar A, Szarka LA, Busby-Whitehead J, Hamilton FA. Clin Gastroenterol Hepatol, 2026 Oct 6; DOI:10.1016/j.cgh.2026.09.040
      PMID: 42838314
    • Journal Article
      Disparities in Health Care Seeking and Physician Diagnosis of Irritable Bowel Syndrome: Results From a United States Survey
      Almario CV, Liu J, Higgins C, Yerneni N, Boules M, Chey WD, Chang L. Clinical Gastroenterology and Hepatology, 2026 Oct 1; 24 (10): 2826 - 2838. DOI:10.1016/j.cgh.2026.03.008
      PMID: 41895674
    • Journal Article
      S1195 Effect of a Targeted Enzyme Supplement on Irritable Bowel Syndrome Symptom Severity and Patient-Reported Outcomes Following a 4-Week Intervention
      Koo E, Chey WD, Lee A, Wells J, Hachuel D, Singh P. The American Journal of Gastroenterology, 2026 Oct 9; 121 (10S1): s260 - s260. DOI:10.14309/01.ajg.0001214032.93055.60
    • Journal Article
      S1204 Determination of Gut Transit Times via Wireless Motility Capsule: Improvements in Performance and Interpretation With Addition of Accelerometry-Based Visualization of Gut Contractility
      Surjanhata B, Abell TL, Attaluri A, Chey WD, Cline M, Hasler WL, Ho V, Lee A, Lembo AJ, Masoud A, McCallum R, Moshiree B, Quigley EMM, Rao S, Stocker A, Sanchez M, Sarosiek I, Zhou J, Kuo B. The American Journal of Gastroenterology, 2026 Oct 9; 121 (10S1): s261 - s262. DOI:10.14309/01.ajg.0001214068.91676.e4
    • Journal Article
      S1686 Pelvic Floor Dysfunction Is a Driver of Inflammatory Bowel Disease-Associated Functional Constipation
      Wang Y-P, Kadouh A, Hirsch WJ, Koo E, Hassan SA, Fehlman J, El-Nachef N, Berinstein J, Chey WD, Lee A, Singh P, Bishu S, Ginnebaugh B, Zou W. The American Journal of Gastroenterology, 2026 Oct 9; 121 (10S1): s367 - s367. DOI:10.14309/01.ajg.0001215996.62415.57
    • Journal Article
      S862 Low FODMAP Diet With Adjunct Probiotic Therapy Versus Low FODMAP Diet Alone in Irritable Bowel Syndrome: A Systematic Review and Meta-Analysis
      Iqbal AZ, Azam H, Raheem H, Sheikh SR, Nojkov B, Chey WD. The American Journal of Gastroenterology, 2026 Oct 9; 121 (10S1): s186 - s186. DOI:10.14309/01.ajg.0001212700.07900.e0
    • Journal Article
      Effectiveness of Medical-Behavioral Therapy in Patients With Fecal Incontinence.
      Rehman MA, Heymen S, Rao SSC, Chey WD, Whitehead WE, Meyer I, Gantz MG, Richter HE, Menees SB, Oblizajek NR, Szarka LA, Busby-Whitehead J, Bailey KR, Hamilton FA, Bharucha AE. Clin Gastroenterol Hepatol, 2026 Sep 25; DOI:10.1016/j.cgh.2026.09.024
      PMID: 42790838
    • Journal Article
      Improved Severity and Quality-of-Life Measures for Fecal Incontinence: Development of the Minnesota-Fecal Incontinence Severity Index and Minnesota-Fecal Incontinence-Quality of Life.
      Oblizajek NR, Rockwood T, Lee JT, Bordeianou LG, Madoff RG, Lowry AC, Rao SSC, Whitehead WE, Meyer I, Chey WD, Gantz MG, Richter HE, Menees SB, Szarka LA, Busby-Whitehead J, Bailey KR, Hamilton F, Bharucha AE. Clin Gastroenterol Hepatol, 2026 Sep 25; DOI:10.1016/j.cgh.2026.09.026
      PMID: 42790839

    Featured News & Stories

    psyllium
    Department News

    Dr. William Chey Featured in The New York Times on the Benefits of Psyllium Husk

    Dr. William Chey was Featured in The New York Times on the Benefits of Psyllium Husk
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    Philanthropy News

    Gifts advance colon cancer prevention and early detection

    The Rose and Lawrence C. Page, Sr. Family Charitable Foundation supports lifesaving colon cancer research at Michigan Medicine.
    ACG Presidency
    Department News

    A Vision for the Future of Gastroenterology: A Conversation with ACG’s Incoming President, Dr. William D. Chey

    Dr. William D. Chey has been named the next president of the American College of Gastroenterology, bringing a wealth of experience and a strategic vision focused on innovation, medical education, and long-term planning. Known for his pioneering work in gut-brain disorders and commitment to leadership development, Dr. Chey aims to build on the College’s strengths while preparing it for the evolving future of gastroenterology.
    father and son standing together and book cover
    Health Lab

    One doctor’s American dream: to stop hate

    Asian-American history is American history. William D. Chey shares his immigrant father’s legacy, his own experience and calls on youth to practice the values of diversity, equity and inclusion throughout their lives.
    bent over holding stomach pink shirt sitting
    Health Lab

    FDA approves gastrointestinal device

    The FDA approved a device developed at the University of Michigan that allows doctors to diagnose and predict treatment outcomes for individuals with chronic constipation far earlier than other methods.
    bacteria blue yellow
    Health Lab

    New guideline for Helicobacter pylori includes change to primary treatment recommendation

    The American Journal of Gastroenterology has published a new guideline on the treatment of Helicobacter pylori (H. pylori) Infection.