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

  obs:       193,676                          
 vars:             2                          11 Feb 2015 17:54
 size:    17,430,840                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
othpidiss3      str80   %80s                  Other Provider Identifier Issuer
                                                3
-------------------------------------------------------------------------------
Sorted by:  npi