For endoscopic procedures, the Gastroenterology Department is equipped with state-of-the-art technology and provides a convenient and comfortable setting for patients. Your endoscopic procedures will be performed by board-certified gastroenterologists Steven B. Cohen, M.D. and Sonal Ullman, M.D. Please call the office of Dr. Cohen, Dr. Ullman, and Dr. Tomczak to schedule an office appointment only, please call 7814446460. To schedule a procedure, please call 781-453-7861.