_dta:
  1.  by Jean Roth , jroth@nber.org , 19 Apr 2019
  2.  NBER URL: www.nber.org/data/npi.html
  3.  Source Page: http://download.cms.gov/nppes/NPI_Files.html
  4.  Source File URL: download.cms.gov/nppes/NPPES_Data_Dissemination_Apr_2019.zip
  5.  Source Text File: npidata_pfile_20050523-20190407.csv*

othpidty17:
  1.  01, OTHER
  2.  02, MEDICARE UPIN
  3.  04, MEDICARE ID-TYPE UNSPECIFIED
  4.  05, MEDICAID
  5.  06, MEDICARE OSCAR/CERTIFICATION
  6.  07, MEDICARE NSC
  7.  08, MEDICARE PIN

  obs:         2,692                          
 vars:             2                          20 Apr 2019 02:54
 size:        29,612                          (_dta has notes)
------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
------------------------------------------------------------------------------------------
npi             str10   %10s                  National Provider Identifier (NPI)
othpidty17      byte    %28.0g     othpidty * Other Provider Identifier Type Code 17
                                            * indicated variables have notes
------------------------------------------------------------------------------------------
Sorted by: npi
othpidty:
           1 Other 
           2 Medicare UPIN 
           4 Medicare ID-Type Unspecified 
           5 Medicaid 
           6 Medicare OSCAR/Certification 
           7 Medicare NSC 
           8 Medicare PIN