_dta:
  1.  by Jean Roth , jroth@nber.org , 25 Dec 2014

  obs:     1,066,909                          
 vars:             2                          25 Dec 2014 03:42
 size:    12,802,908                          (_dta has notes)
---------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier (NPI)
othpidst1       str2    %9s                   Other Provider Identifier State 1
---------------------------------------------------------------------------------------------------------
Sorted by:  npi