_dta:
  1.  by Jean Roth , jroth@nber.org , 29 Sep 2015

  obs:     4,610,608                          
 vars:             2                          29 Sep 2015 22:31
 size:   221,309,184                          (_dta has notes)
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              storage   display    value
variable name   type    format     label      variable label
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npi             str10   %10s                  National Provider Identifier (NPI)
ploccityname    str38   %38s                  Provider Business Practice Location Address City Name
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Sorted by:  npi