Ellen M. Stein, M.D., is an assistant professor of medicine in the Division of Gastroenterology for Johns Hopkins Medicine. Dr. Stein is also the current division director for informatics and the lead Epic physician champion. She is board certified in gastroenterology by the American Board of Internal Medicine. 

Dr. Stein has gastroenterology expertise in numerous areas, such as achalasia, Barrett's esophagus, chest pain, colon polyps, constipation, digestive diseases, eosinophilic esophagitis, gastroparesis, heartburn, indigestion, irritable bowel syndrome, nausea, neurogastroenterology, rectal problems, reflux and burning, stomach ulcers and swallowing disorders. 

Dr. Stein earned her medical degree from the George Washington University School of Medicine. She completed her internship and residency in internal medicine at Mount Sinai Medical Center, followed by a gastroenterology fellowship at Albert Einstein Medical Center.

Dr. Stein is a member of the American College of Physicians, the American College of Gastroenterology, the American Gastroenterological Association and the Society of Hospital Medicine. 

Dr. Stein's research interests include clinical applications of informatics, dysphagia (swallowing disorders), gastroesophageal reflux disease, esophageal motility, eosinophilic esophagitis, gastroparesis, IBS (irritable bowel syndrome), constipation and other gastrointestinal motility disorders. In addition, Dr. Stein worked in the motility laboratory at Albert Einstein Medical Center with the esteemed Dr. Philip Katz, pursuing advanced training in esophageal motility. Dr. Stein is currently a member of the Center for Neurogastroenterology on the Bayview Campus of Johns Hopkins, where she conducts specific research focusing on post-operative recovery of motility function. She also works intensively with the TPIAT (total pancreatectomy and autoislet cell transplant) program to provide motility support to the patients after their surgery.