William H. Topper, M.D.M.D.Unclaimed · claim itPediatric Neonatal-Perinatal…Lees Summit, MO20+ 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.(816) 246-9840NPI 1396786117View Profile Claim