Marlene V. Tan, M.D.M.D.Unclaimed · claim itPediatric Neonatal-Perinatal…Newport Beach, CA20+ 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.(949) 764-8598NPI 1073556296View Profile Claim