Summary statistics for npi_medicaidxw dataset : by Jean Roth , jroth@nber.org , 20 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- npi | 0 seq | 1,282,442 2.728223 2.782964 1 50 othpid | 0 othpidty | 1,282,442 5 0 5 5 othpidst | 0 -------------+--------------------------------------------------------- othpidiss | 0 by Jean Roth , jroth@nber.org , 20 Mar 2018