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

  obs:        88,637                          
 vars:             2                          11 Mar 2015 16:27
 size:     7,090,960                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier
                                                (NPI)
parent_org_lbn  str70   %70s                  Parent Organization LBN
-------------------------------------------------------------------------------
Sorted by:  npi