ServicesMark A Sullivan, MD provides gastroenterology services in NORTH BILLERICA, MA. A Gastroenterologist is a physician of internal medicine who specializes in diagnosing, treating, and preventing diseases of the digestive system. A gastroenterologist is concerned with the normal function of the digestive system; making sure that it is working properly to dispose of bodily waste.
Please call Mark A Sullivan, MD at (978) 663-6666 to schedule an appointment in NORTH BILLERICA, MA or to get more information.