William J. Swiggard, M.D., PhDM.D., PH.D.Unclaimed · claim itInfectious DiseaseNorthampton, MA21+ years experienceRegistered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(413) 582-9186NPI 1457335622View Profile Claim
Eric V. Granowitz, MDMDUnclaimed · claim itInfectious DiseaseNorthampton, MA41 years experienceCalculated from a graduation year of 1985, reported in the CMS National Downloadable File.(413) 582-9186NPI 1801855242View Profile Claim
