Dr. Claire Anne Mazer Zar-Kessler is a Pediatrician and Pediatric Gastroenterologist in Back Bay, BOSTON and has an experience of 18 years in these fields. Dr. Claire Anne Mazer Zar-Kessler practices at CHA Cambridge Hospital in Back Bay, BOSTON,Cha Cambridge Hospital in Cambridge 2139, Cambridge MA and Pediatric Gastroenterology And Nutrition At Mass General Hospital in Waltham 2451, Waltham MA. She completed Medical School from Albert Einstein College of Medicine of Yeshiva University in 2009,Medical School from Albert Einstein College of Medicine in 2008 and Fellowship in Pediatrics, Pediatric Gastroenterology from Massachusetts General Hospital / Mass General Brigham in 2015. She is a member of American Board of Pediatrics. Some of the services provided by the doctor are: ANEMIA,Neurogenic Bowel,Liver Function Test,Wireless pH Testing and Irritable Bowel Syndrome treatment etc.