_dta:
  1.  by Jean Roth , jroth@nber.org , 12 Oct 2016
  2.  NBER URL: www.nber.org/data/npi.html
  3.  Source Page: http://download.cms.gov/nppes/NPI_Files.html
  4.  Source File URL:
      download.cms.gov/nppes/NPPES_Data_Dissemination_Oct_2016.zip
  5.  Source Text File: npidata_20050523-20161009.csv*

  obs:        32,549                          
 vars:             2                          12 Oct 2016 14:50
 size:       455,686                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
aoname_suffix   str4    %9s                   Authorized Official Name Suffix
                                                Text
-------------------------------------------------------------------------------
Sorted by: npi