Dr. Theresa Sullivan, DO
Concierge Internal Medicine physician, Chicago, IL
David S. Oyer, MDDr. Sullivan is a Concierge Internal Medicine physician who joined David S. Oyer, MD - Concierge Medicine in Chicago.
Facts on this page last checked October 2026. How we check doctors
About Dr. Sullivan
Dr. Sullivan is board certified in Internal Medicine. She cares for adults with both routine and complex medical conditions. She attended the Latin School of Chicago and earned an undergraduate degree from the University of Vermont.
She attended the Chicago College of Osteopathic Medicine and completed a Master's degree in Public Health at Dartmouth, focusing on epidemiology and public policy. She completed an Internal Medicine residency at Evanston NorthShore, affiliated with the University of Chicago. Earlier, she practiced hospital medicine and most recently served as Director of Hospital Medicine for Advocate Health in Wisconsin.
She moved to concierge medicine to focus on prevention, accessibility and partnering with patients. She joined David S. Oyer, MD - Concierge Medicine in Chicago, where she and Dr. Oyer collaborate on complex cases and cover for one another. She believes good healthcare begins with listening.
Outside work, she enjoys spending time with family and friends, traveling, staying active and continuing to learn.
Membership and fees
She practices concierge medicine at David S. Oyer, MD - Concierge Medicine.
Benefits include timely office visits, direct communication with the physician during and after office hours, extended office hours and care for visiting family and friends of members.
Education and credentials
Hospital and practice affiliations
Location
Patient reviews
Questions patients ask
Does Dr. Sullivan offer a membership?
Dr. Sullivan practices concierge medicine at David S. Oyer, MD - Concierge Medicine. Benefits include direct communication with the physician during and after office hours.
Is Dr. Sullivan board certified?
Yes. Dr. Sullivan is board certified in Internal Medicine.
Where did Dr. Sullivan train?
She attended the Chicago College of Osteopathic Medicine. She completed an Internal Medicine residency at Evanston NorthShore, affiliated with the University of Chicago.
Where is Dr. Sullivan's office?
Dr. Sullivan practices at David S. Oyer, MD - Concierge Medicine in Chicago.
Who does Dr. Sullivan care for?
She cares for adults with both routine and complex medical conditions.
Are you Dr. Sullivan? Claim this profile for free. Report a correction.
