Maravanna Chan, MSN, RN, CPNP Advanced Practice Nurse II, Department of Urology Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Maravanna Chan, MSN, RN, CPNP Advanced Practice Nurse II, Department of Urology Medical Services Programs & Services Urology Languages English Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115