Mark J. Ptacek, M.D.M.D.Unclaimed · claim itFamily MedicineDeadwood, SD42 years experienceCalculated from a graduation year of 1984, reported in the CMS National Downloadable File.(605) 717-6431NPI 1083611958View Profile Claim
John K. Tronnes, MDMDUnclaimed · claim itFamily MedicineDeadwood, SD10 years experienceCalculated from a graduation year of 2016, reported in the CMS National Downloadable File.(605) 717-6431NPI 1356795108View Profile Claim
Thomas BarrettUnclaimed · claim itFamily MedicineDeadwood, SD8 years experienceCalculated from a graduation year of 2018, reported in the CMS National Downloadable File.(605) 717-6431NPI 1760986731View Profile Claim
Thomas J. Groeger, MDMDUnclaimed · claim itFamily MedicineDeadwood, SD21+ 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.(605) 717-6431NPI 1942203419View Profile Claim
Megan C. Ruffcorn, DODOUnclaimed · claim itFamily MedicineDeadwood, SD7 years experienceCalculated from a graduation year of 2019, reported in the CMS National Downloadable File.(605) 717-6431NPI 1992268684View Profile Claim
