Claire K. McMahon, M.D, F.A.A.P., FACCM.D, F.A.A.P., FACCUnclaimed · claim itPediatric CardiologyOgden, UT20+ 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.(435) 216-3591NPI 1275640518View Profile Claim