Sean O’Connor, MD, is a board-certified internal medicine physician in Chicago, Illinois, who opened his concierge practice in 2014. He started in private practice in 1998. Dr. O’Connor serves as assistant professor of clinical medicine, Northwestern University Medical School, and was previously an instructor in clinical medicine at the University of Chicago. He was recognized as a Top Doctor 2018 in Chicago Magazine, received the Dean’s Award for Teaching Excellence in 2011 and the Excellence in Teaching Award from the Feinberg School of Medicine in 2009, and was acknowledged as an Outstanding Teacher at Feinberg in 2004 and 2007. Dr. O’Connor earned his undergraduate degree from Hope College, a PhD in neuropharmacology and medical degree from the University of Illinois at Chicago, and completed his internship and residency in internal medicine at the University of Michigan Medical Center.