Early in his career, he was an assistant clinical instructor at Yale University and assistant clinical professor at New York Medical College. He has served as the CEO of Gastroenterology Associates (2015-2018), director of digestive disease for Novant Health in northern Virginia (2015-2018), and president of Advanced Digestive Care (2017-2019).
While at Metropolitan Hospital in New York city from 2005-2006, he was recognized by the medical students as the best physician-teacher. Over the course of his career, he has been recognized as a “Top Doctor” by Washingtonian magazine, Northern Virginia magazine and Consumer Checkbook.
For the past decade, he has provided expert review of medical malpractice claims, and consultations for vendors who seek advice about the diagnostic, therapeutic, or administrative aspects of gastroenterology practice.
He is currently an assistant professor of clinical medicine at Yale University.
All of Dr. Choi's opinions and business are his own and not affiliated with Yale University.
Undergraduate: Cornell University, B.A, 1987-1991
Medical School: Medical College of Virginia (MCV/VCU), M.D, 1991-1995
Internal Medicine Residency, Gastroenterology Fellowship: MCV/VCU, 1996-2001
Gastroenterology Specialists (Ansonia, CT), Partner, 2001-2005
Yale University Assistant Clinical Instructor, 2003-2005
Metropolitan Hospital Attending Physician, 2005-2006
New York Medical College Assistant Clinical Professor, 2005-2006
Advanced Digestive Care, Board of Directors 2014-2019, president 2017-2019
Novant Health, Director of Digestive Disease for Northern VA Market, 2016-2018
Gastroenterology Associates (Gainesville, VA), Partner, 2006- present, CEO 2014-2017
Yale University Assistant Professor of Clinical Medicine, 2026 - current