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

  obs:        93,016                          
 vars:             2                          21 Nov 2015 10:16
 size:     1,767,304                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
parent_org_tin  str9    %9s                   Parent Organization TIN
-------------------------------------------------------------------------------
Sorted by:  npi