Roger L. Nguyen, M.DM.DUnclaimed · claim itAllergyGarden Grove, CA29 years experienceCalculated from a graduation year of 1997, reported in the CMS National Downloadable File.(714) 638-4433NPI 1982625430View Profile Claim
Dr. Roger L. Nguyen, A CorporationUnclaimed · claim itAllergyGarden Grove, CA9 years in businessThis organization has held a National Provider Identifier since 2017. That is when it registered with CMS, which may be later than the practice was founded.(714) 638-4433NPI 1184141566View Profile Claim
