Login Reminder

This is the Noridian Medicare Portal (NMP) User Guide. To use the elements within this guide you must first be logged into the portal.


Portal, IVR and Customer Service Limited Availability on December 15 - 17, 2023

Due to the Common Working File (CWF) migrating to a new data center, there are upcoming "Dark" days on December 15 - 17, 2023. During these days, the following inquiries will not be available:

The following functions will not be available in the Noridian Medicare Portal (NMP):

  • Claim Status
  • Discharge Status for Inpatient Overlap in Eligibility
  • Self Service Reopenings/Recoupment Requests
  • Redetermination Submission
  • Same or Similar (Option 1)

The following functions will not be available on the Interactive Voice Response (IVR):

  • Redeterminations
  • Same or Similar
  • Prior Authorization Request (PAR)
  • Claim Status / Details

Customer Service Representatives will not be able to assist providers with the below:

  • Eligibility Inquiries
  • Claim Status Relating to Eligibility
  • Claim Denials Relating to Eligibility
  • Same or Similar
  • Advance Determination of Medicare Coverage (ADMC) Status
Last Updated Nov 28 , 2023