John P. Grandy, M.D.M.D.Unclaimed · claim itPediatric Neonatal-Perinatal…Hockessin, DE19+ 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.(302) 234-0656NPI 1033245626View Profile Claim