Daniel B. Klein, MDMDUnclaimed · claim itInfectious DiseaseHayward, 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.(510) 784-4000NPI 1245318096View Profile Claim
Mark J. Finch, M.D.M.D.Unclaimed · claim itInfectious DiseaseHayward, CA47 years experienceCalculated from a graduation year of 1979, reported in the CMS National Downloadable File.(510) 881-0644NPI 1730248196View Profile Claim
