Helen G. Corcoran, P.A.-C.P.A.-C.Unclaimed · claim itPhysician AssistantWoodinville, 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.(425) 488-4944NPI 1073701454View Profile Claim