Ann R. Grunthaler, L.P.N.L.P.N.Unclaimed · claim itPractical nurse (LPN)Millinocket, ME20+ years experienceRegistered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(207) 723-6551NPI 1396780326View Profile Claim