Heidi Pfeifer, RD, LDN, FAND Clinical Nutrition Specialist II, Clinical Nutrition Image Phone (617) 355-4759 Email Email Me Print Profile Request an Appointment Listen Heidi Pfeifer, RD, LDN, FAND Clinical Nutrition Specialist II, Clinical Nutrition Medical Services Programs & Services Epilepsy Center Nutrition Center Gastroenterology, Hepatology and Nutrition Languages English