Noridian Medicare Portal (NMP)

The Noridian Medicare Portal (NMP) is a free and secure, internet-based portal that allows users access to beneficiary and claim information. The portal is available for all Part A, Part B and Durable Medical Equipment (DME) users in the Noridian MAC Jurisdictions of JA, JD, JE and JF. The Centers for Medicare & Medicaid Services (CMS) governs the security regulations and other policies of NMP.

More information on logging into, registering for, or using the NMP can be found by using the buttons above.

The chart below shows the hours, by jurisdiction, the Contact Centers are available for questions related to NMP. The Contact Centers are available Monday - Friday.

Jurisdiction A

Contact Us:
866-419-9458

Functionality Inquiries:
Customer Service 8 a.m. - 5 p.m. ET

Passwords/Account Support:
User Security 9 a.m. - 5:30 p.m. ET

Jurisdiction D

Contact Us:
877-320-0390

Functionality Inquiries:
Customer Service 8 a.m. - 6 p.m. CT

Passwords/Account Support:
User Security 8 a.m. - 4:30 p.m. CT

Jurisdiction E

Contact Us:
855-609-9960

Functionality Inquiries:
Customer Service 6 a.m. - 5 p.m. PT

Passwords/Account Support:
User Security 6 a.m. - 2:30 p.m. PT

Jurisdiction F

Contact Us:
877-908-8431

Functionality Inquiries:
Customer Service 8 a.m. - 6 p.m. CT

Passwords/Account Support:
User Security 8 a.m. - 4:30 p.m. CT

Last Updated Oct 08 , 2025

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COBA Crossover Letters Available on NMP 02/05/2025
System Availability Notices 11/26/2024
Preventive Services Codes on Eligibility Inquiry 04/09/2024
Missing Noridian Medicare Portal Administrators 01/29/2024
Effective January 1, 2024, Self-Service Reopenings Available on the Noridian Medicare Portal (NMP) Sent as a Written Reopening Will Be Dismissed 12/18/2023
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Optimizing Claim Denial Resolution with Noridian Medicare Portal (NMP) 10/09/2023