Mark S. Grogan, MDMDUnclaimed · claim itInterventional CardiologyDerby, CT20+ 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.(203) 732-7455NPI 1306909379View Profile Claim
Kenneth S. Spector, MD PHDMD PHDUnclaimed · claim itInterventional CardiologyDerby, CT33 years experienceCalculated from a graduation year of 1993, reported in the CMS National Downloadable File.(203) 732-7455NPI 1497818462View Profile Claim
Osman A. JafferUnclaimed · claim itInterventional CardiologyDerby, CT14 years experienceCalculated from a graduation year of 2012, reported in the CMS National Downloadable File.(203) 269-3791NPI 1730446329View Profile Claim
