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Olga A. Aroniadis, MD, MSc, FACG (she/her/hers)

Associate Professor of Clinical Medicine
Stony Brook University Hospital
Stony Brook, NY

Olga Aroniadis, MD, MSc, FACG, is Associate Professor of Clinical Medicine and Chief of the Division of Gastroenterology and Hepatology at Stony Brook University Hospital. She is also the Svetlane Koroleva Endowed Professor in Gastroenterology. Moreover, Dr. Aroniadis is the Director of the Masters in Epidemiology and Clinical Research Program in the Program of Public Health at the Renaissance School of Medicine and the Founder and Director of the Gastrointestinal Womens Health Center at Stony Brook. Dr. Aroniadis' clinical practice is largely centered around disorders of gut-brain interaction and gastrointestinal health as it relates to women. Her research interests include studying the influence of patient-perceived stigma on patient engagement and healthcare utilization among patients with disorders of gut-brain interaction; and the effects microbial therapeutics of gastrointestinal diseases, both irritable bowel syndrome and C. difficile infection. In addition to her work on the role of fecal microbiota transplantation for recurrent and severe/complicated C. difficile infection, Dr. Aroniadis was PI of an RCT to assess the role of fecal microbiota transplantation for the treatment of diarrhea-predominant irritable bowel syndrome. Additionally, Dr. Aroniadis serves on the Educational Affairs Committee of the American College of Gastroenterology (ACG) and is Chair of the ACG Self-Assessment Test. She is also the Course Director for the bi-annual ACG Imaging and Pathology Course. Dr. Aroniadis is a practicing clinician and educator in the Department of Medicine. As a clinician and educator, she strives to deliver exceptional patient care to patients with a variety of gastrointestinal diseases and is dedicated to teaching and mentoring medical students, residents and fellows.

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