To view the letter from CMS to providers announcing the beginning of the NPI implementation: http://new.cms.hhs.gov/NationalProvIdentStand/Downloads/NPIdearprovider.pdf To view the Final Rule on NPI: http://new.cms.hhs.gov/NationalProvIdentStand/Downloads/NPIfinalrule.pdf To view an online interactive tutorial from CMS on NPI: www.cms.hhs.gov/apps/npi/npiviewlet.asp To apply for an NPI: https://nppes.cms.hhs.gov/NPPES/Welcome.do To visit the ADA website’s information on NPI: http://www.ada.org/prof/resources/topics/npi.asp