NPI Timelines
The following documents illustrate critical dates for NPI implementation,
as well as critical dates for the release and use of the revised CMS-1500 (08/05) and UB-04.
• NPI Important Dates
• NPI CMS Requirements for Professional
Claims - CMS-1500 (12/90) and CMS-1500 (08/05)
• NPI CMS Requirements for Institutional
Claims - UB-92 and UB-04 ![]()
