Dr. Mark Stuart Sullivan, MD

Dr. Mark Sullivan is a family medicine physician who has dedicated nearly four decades to caring for patients and families. He earned his medical degree from Albert Einstein College of Medicine of Yeshiva University and brings 38 years of clinical experience to his practice. Dr. Sullivan is fluent in Chinese, English, and Spanish, enabling him to serve diverse communities throughout Northern California.

Dr. Sullivan practices at multiple locations including Fairfield and Vacaville, California, with affiliations at Northbay Medical Center, Sutter Solano Medical Center, and Sutter Auburn Faith Hospital. He specializes in managing high blood pressure and treating hypertensive emergencies when blood pressure reaches dangerous levels. His practice includes preventive care services such as flu vaccinations, adult immunizations, and COVID-19 booster shots. Patients consistently rate Dr. Sullivan highly, giving him an average rating of 5.0 on Vitals.