Michael Greenlee, BSN Staff Nurse, Cardiac Intensive Care Unit Image Phone 617-355-8087 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000 Listen Michael Greenlee, BSN Staff Nurse, Cardiac Intensive Care Unit Medical Services Programs & Services Cardiac Intensive Care Heart Center Cardiology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Phone: 617-355-6000