_dta:
  1.  by Jean Roth , jroth@nber.org , 21 Nov 2015

  obs:         3,773                          
 vars:             2                          21 Nov 2015 07:37
 size:        41,503                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
pprimtax11      str1    %9s                   Healthcare Provider Primary
                                                Taxonomy Switch 11
-------------------------------------------------------------------------------
Sorted by:  npi