Summary statistics for npi variable in ambulatory_surgical_measures_facility da

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
         npi |     10,497    1.50e+09    2.87e+08   1.00e+09   1.99e+09

by Jean Roth , jroth@nber.org , 15 Nov 2016