Deborah J. Mattheus, PhD, MSN, PNP, APRNPHD, MSN, PNP, APRNUnclaimed · claim itNurse Practitioner — PediatricsKaneohe, HI21+ years experienceRegistered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(808) 247-6644NPI 1619976115View Profile Claim