Ken Yon Hui, M.D., Ph.D.

Headshot of Ken Yon Hui
  • Assistant Professor of Medicine


Colonoscopy, Emergency Medicine, Endoscopy, Gastroenterology more


The Johns Hopkins Hospital

600 N. Wolfe Street
Baltimore, MD 21287 map
Phone: 410-955-6319 | Fax: 443-683-8335


Ken Hui, M.D., Ph.D. is a gastroenterologist treating a variety of conditions affecting the esophagus, stomach and intestines. Dr. Hui has expertise in the brain-gut connection and related disorders, and he performs a wide range of procedures to treat gastrointestinal problems, including upper endoscopy and colonoscopy.

Dr. Hui is an assistant professor of medicine in the Johns Hopkins Division of Gastroenterology and Hepatology. He obtained his medical degree at Yale University in New Haven, Connecticut, and he completed a residency in internal medicine at the Johns Hopkins University School of Medicine. He remained at Johns Hopkins to complete a fellowship in gastroenterology and hepatology. Dr. Hui also has a Ph.D. in computational biology and bioinformatics from Yale, where he studied the genetic risk factors for Crohn’s disease in the Ashkenazi Jewish population.

Dr. Hui’s research focuses on computational and functional approaches to study the vagus nerve as a component of the gut-brain axis, as well as its relation to symptoms of gastrointestinal diseases. With his background in genomics, Dr. Hui also studies the link from genetic factors to disorders of the gut-brain axis and gastrointestinal motility. He has published his research findings in numerous peer-reviewed journals and presented at national and international conferences. more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD; Medicine; Yale School of Medicine (2015)


  • Medicine; Johns Hopkins University School of Medicine (2017)


  • Gastroenterology; Johns Hopkins University School of Medicine (2021)

Board Certifications

  • American Board of Internal Medicine (Gastroenterology) (2021)
  • American Board of Internal Medicine (Internal Medicine) (2018)

Research & Publications

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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