Andrew L. Allen, D.M.D, M.S.D.M.D, M.S.Unclaimed · claim itPeriodonticsBrunswick, ME19+ 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.(207) 729-6721NPI 1386866598View Profile Claim