ServicesJohn W Roark Jr, MD provides gastroenterology services in OAKLAND, CA. 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 John W Roark Jr, MD at (510) 444-3297 to schedule an appointment in OAKLAND, CA or to get more information.