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

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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
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