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. 2015 Jun 24;30(Suppl 3):595–601. doi: 10.1007/s11606-015-3380-9

Table 2.

Percent of Physicians Matching on Name, Address, and Specialty Designation

AMA vs. NPPES n = 2494 NPPES vs. SK&Aa n = 1821
% (N) % (N)
Contact information
 Last name 98 % (2457) 100 % (1819)
 First name 100 % (2486) 100 % (1815)
 Street address 33 % (817) 70 % (1284)
 City 58 % (1460) 81 % (1481)
 State 91 % (2268) 97 % (1773)
 Zip 44 % (1094) 77 % (1409)

aSK&A phone-verified database