Mark P. Mercier, M.D.M.D.Unclaimed · claim itEmergency Medical ServicesColumbia, SC28 years experienceCalculated from a graduation year of 1998, reported in the CMS National Downloadable File.(803) 296-5050NPI 1548220296View Profile Claim
E. L. Williams Enterprises L. L. C.Unclaimed · claim itEmergency Medical ServicesColumbia, SC1 year in businessThis organization has held a National Provider Identifier since 2025. That is when it registered with CMS, which may be later than the practice was founded.(839) 224-0293NPI 1134928195View Profile Claim
