Contact Us & Hours of Availability

The chart below shows the hours, by jurisdiction, the Contact Centers are available for questions related to the Noridian Medicare Portal. The Contact Centers are available Monday – Friday.

Jurisdiction A DME
Jurisdiction D DME
Jurisdiction E
Jurisdiction F
Functionality Inquiries

Customer Service
8 a.m. – 5 p.m. EST

Customer Service
8 a.m. – 6 p.m. CST

Customer Service
6 a.m. – 5 p.m. PST 

Customer Service
8 a.m. – 6 p.m. CST
Passwords/Account Support

User Security
9 a.m. – 5:30 p.m. EST

User Security
8 a.m. – 4:30 p.m. CST

User Security
6 a.m. – 2:30 p.m. PST

User Security
8 a.m. – 4:30 p.m. CST
Contact Us 866-419-9458 877-320-0390 855-609-9960 877-908-8431

If Customer Service Representatives are unavailable, you may search the Portal Guide for assistance on performing inquiries, registration, account management, and Provider Administrator tasks.