_dta:
  1.  by Jean Roth , jroth@nber.org , 14 Jan 2015

  obs:       137,940                          
 vars:             2                          14 Jan 2015 15:21
 size:     4,138,200                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
pmnameoth       str20   %20s                  Provider Other Middle Name
-------------------------------------------------------------------------------
Sorted by:  npi