Kathy Whelan, MSN, RN, NP-C, CCRN Level II APRN; Nurse Practitioner, Department of Cardiology Image NPI 1669627774 Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Kathy Whelan, MSN, RN, NP-C, CCRN Level II APRN; Nurse Practitioner, Department of Cardiology Medical Services Programs & Services Cardiac Intensive Care Heart Center Cardiology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115