Skip over navigation

Noridian Part B Contact Information

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 M - F 8 a.m. - 4 p.m. (in respective time zones)

  • 877-908-8431
  • Text Teletype Calls (TTY): 877-261-4163

Medicare Beneficiaries must 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. Call 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 M - F 8 a.m. - 4 p.m. CT.

  • Eligibility available 24/7 and all Other Functions and Registration: M - F 6 a.m. - 8 p.m. CT; Sat 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 Apr 13, 2017