Jacqueline O'Brien National and International Case Coordinator, Department of Cardiac Surgery Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Jacqueline O'Brien National and International Case Coordinator, Department of Cardiac Surgery Medical Services Programs & Services Cardiac Neurodevelopmental Program Heart Center Cardiology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115