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 Customer Service Representative (CSR) or to our IVR. View call flow, authentication details and customer service areas of assistance.

  • 877-908-8431 (M - F 8 a.m. - 4 p.m. in respective time zones)
  • TTY: 877-261-4163

Medicare Beneficiaries must contact 1-800-MEDICARE for assistance.

CMS Comments on Noridian - Access address in which providers may offer comments to CMS concerning Noridian's performance.

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 - Providers may submit emails to Noridian for answers regarding basic Medicare regulations and coverage information. View this page for details and request form.

Fax Numbers - View fax numbers and submission guidelines.

Freedom of Information Act (FOIA) - View mailing address and FOIA request submission details.

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 - Access Noridian Management contact information in event additional or elevated levels of support is required.

Noridian Medicare Portal - PCC CSRs 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 PCC phone lines will be unavailable for customer service.

Last Updated May 08, 2017