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Noridian Part B Contact Information

Contact Brief Description

Provider Contact Centers

Our single toll-free number unifies customer service areas and simplifies provider contact. Phone calls are directed by caller, through our IVR system, to most appropriate department CSR or to our IVR. View call flow, authentication details and customer service areas of assistance Monday – Friday 8 a.m. - 4 p.m. (in respective time zones)

  • 877-908-8431
  • Text Teletype Calls (TTY): 877-261-4163
Medicare Beneficiaries - Noridian is unable to assist Medicare beneficiaries. Contact 1-800-MEDICARE for assistance
CMS Comments on Noridian Providers may offer comments to CMS concerning Noridian's performance, write to address on this webpage
Congressional Inquiries Congressional offices may receive inquiries from constituents regarding their Medicare services. View elements to request assistance from Noridian
Contractor Medical Director (CMD) View CMD Contact Information
Email Customer Service You may submit emails to Noridian for answers regarding basic provider information regarding Medicare regulations and coverage. View this page for details and request form
Fax Numbers View fax numbers and submission guidelines
Freedom of Information Act (FOIA) View mail address and details on how to submit a FOIA request
Holiday Schedule View holiday dates that Noridian operations, including PCC phone lines, will be unavailable for customer service
Interactive Voice Response (IVR)

View conversion tool and information on how to use IVR and what information is available through system. General IVR inquiries available 24/7

  • 877-908-8431
Mailing Addresses View mail addresses for submitting written correspondence, such as claims, letters, questions, general inquiries, enrollment applications and changes, written redetermination requests and checks to Noridian
Management In event additional assistance is needed or requires elevated levels of support, use Noridian contact information available on this webpage
Noridian Medicare Portal

Provider Contact Center representatives are available to answer questions at 877-908-8431 from 8 a.m. - 4 p.m. CT. Monday through Friday.

Noridian Medicare Portal Hours of Availability

  • Eligibility: 24/7
  • All Other Functions and Registration: Monday - Friday 6 a.m. - 8 p.m. CT; Saturday 7 a.m. - 5 p.m. CT  
Provider Contact Center Training Closures View training dates and times that Noridian Provider Contact Center (PCC) phone lines will be unavailable for customer service


Last Updated Feb 21, 2017