_dta:
  1.  by Jean Roth , jroth@nber.org , 3 Apr 2013
  2.  by Jean Roth , jroth@nber.org , 3 Apr 2013

  obs:     4,679,631                          
 vars:             6                          3 Apr 2013 11:26
 size:   397,768,635                          (_dta has notes)
---------------------------------------------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier (NPI)
ptaxcode        str10   %10s                  Healthcare Provider Taxonomy Code_1
plicnum         str20   %20s                  Provider License Number_1
plicstate       str2    %9s                   Provider License Number State Code_1
pprimtax        str1    %9s                   Healthcare Provider Primary Taxonomy Switch_1
ptaxgroup       str42   %42s                  Healthcare Provider Taxonomy Group_1
---------------------------------------------------------------------------------------------------------------------------------------------
Sorted by:  npi