John J. Yoo, MS, RN, CPNPMS, RN, CPNPUnclaimed · claim itNurse Practitioner — PediatricsEdmonds, WA19+ years experienceRegistered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(206) 629-4424NPI 1285832949View Profile Claim