Margaret M. Dezzi, RN, MSN, CRNP Margaret M. Dezzi, RN, MSN, CRNP, is a nurse practitioner in the Division of Otolaryngology (ENT) at The Children’s Hospital of Philadelphia. Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Additional TrainingMSN, Rutgers University, Camden, N.J.Board CertificationANCC Pediatric Nurse PractitionerUndergraduate DegreeMSN, Widener University, Chester Pa.Graduate DegreeBSN, Neuman College, Aston, Pa. Titles and Academic Titles Nurse Practitioner Departments and Services Division of Otolaryngology (Ear, Nose and Throat)