Ella Dawber Wolffis, MSN, CPNP Advanced Practice Registered Nurse, Division of Emergency Medicine Image Print Profile Request an Appointment Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115 Listen Ella Dawber Wolffis, MSN, CPNP Advanced Practice Registered Nurse, Division of Emergency Medicine Medical Services Programs & Services Emergency Medicine Languages English Education Undergraduate School Western University London, Ontario Canada Graduate School The Ohio State University Columbus OH Certifications Advance Practice Registered Nurse (APRN) Advanced Cardiovascular Life Support (ACLS) Pediatric Advanced Life Support (PALS) Pediatric Nursing Certification Board (PNCB) Locations Boston Boston Children's Hospital 300 Longwood Ave. Boston, Massachusetts 02115