Olachi J. Mezu-Ndubuisi, MD. OD.MD. OD.Unclaimed · claim itPediatric Neonatal-Perinatal…Fitchburg, WI20+ 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.(410) 905-7090NPI 1821057647View Profile Claim