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

  obs:            45                          
 vars:             2                          11 Mar 2015 16:13
 size:           540                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
othpidst47      str2    %9s                   Other Provider Identifier State
                                                47
-------------------------------------------------------------------------------
Sorted by:  npi