NYS Medicare Part B NPI Resources

• NGS Medicare Preferred Pin Letter -- when you have one NPI and multiple Medicare PIN's.
  
  
• NPPES web site -- where you manage your NPI information.
  
  
• CMS 855 forms -- when you have to re-enroll with CMS Medicare, or you have to update your enrollment.
  
  
• CMS Enrollment Information -- when you need to know more about how to enroll with CMS Medicare.
  
  
• Top Reasons CMS 855 Enrollment Forms Are Returned to the Provider -- read this before you fill in your 855 forms, to prevent rejection!!