Dr. Barry Grant Zallen is a Pediatrician in Fenway-Kenmore (includes L…read moreongwood), BOSTON and has an experience of 47 years in this field. Dr. Barry Grant Zallen practices at Brigham and Women's Hospital in Fenway-Kenmore (includes Longwood), BOSTON and Brigham And Women's Hospital Uro in Fenway-Kenmore (includes Longwood), BOSTON. He completed Medical School from Northwestern University in 1979.read less