Mark I CHIEH Hong, M.DM.DUnclaimed · claim itNephrologyMason City, IA16 years experienceCalculated from a graduation year of 2010, reported in the CMS National Downloadable File.(641) 428-6999NPI 1982048286View Profile Claim
North Iowa Mercy ClinicsUnclaimed · claim itNephrologyMason City, IA18 years in businessThis organization has held a National Provider Identifier since 2008. That is when it registered with CMS, which may be later than the practice was founded.(641) 428-7799NPI 1003082736View Profile Claim
