_dta:
  1.  by Jean Roth , jroth@nber.org , 11 Feb 2015

  obs:         3,236                          
 vars:             2                          11 Feb 2015 18:17
 size:        97,080                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
othpid20        str20   %20s                  Other Provider Identifier 20
-------------------------------------------------------------------------------
Sorted by:  npi