Nikki Calkins, PharmD CDTM Pharmacist, Division of Gastroenterology, Hepatology and Nutrition Image Phone 617-355-4381 Fax 978-216-7883 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Nikki Calkins, PharmD CDTM Pharmacist, Division of Gastroenterology, Hepatology and Nutrition Medical Services Programs & Services Adolescent Weight Loss (Bariatric) Surgery Program EMPOWER Eosinophilic Gastrointestinal Disease Program Gastroenterology, Hepatology and Nutrition Pharmacy Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115