Provider Enrollment Contact Center

Noridian Customer Service requires providers to use the Enrollment Application Status Search self-service tool to access application related details.

The Enrollment Application Status Search tool allows providers and suppliers to follow his/her enrollment application progress. Simply enter the Application/Reference Number or Web Tracking ID into the search field and select "View Application Status."

Customer Service Representative (CSR)

To decrease call wait times and direct calls through our IVR system to the most appropriate department, callers must authenticate with their National Provider Identifier (NPI), Provider Transaction Access Number (PTAN) and Taxpayer Identification Number (TIN).

  • Provider Enrollment: M-F 8 a.m. - 6 p.m. CT


TTY: 877-261-4163 (M-F 8 a.m. - 6 p.m. CT)

CSRs can assist with three (3) below related inquiries per call.

  • Find appropriate form(s) and providing assistance on how to fill them out correctly
  • Assist with Revalidation inquiries
  • Verify account activities such as PTAN status, Effective Date and/or Holds
  • Assist with general enrollment inquiries

Be prepared with PECOS login/password if calling with PECOS inquiries. CSRs cannot help with PECOS password resets.

External Contacts

Contact Details
National Plan and Provider Enumeration System (NPPES)
  • Apply online for NPI
  • View/Update NPI data

Phone: 800-465-3203
TTY: 800-692-2326
NPI Enumerator
PO Box 6059
Fargo ND 58108-6059

Provider Enrollment, Chain, and Ownership System (PECOS)
  • Request NPI application
  • Submit initial application
  • View/change enrollment information
  • Track enrollment application through web submission process
  • Add /change a reassignment of benefits
  • Submit changes to existing information
  • Reactivate an existing record
  • Withdraw from Medicare Program
  • Submit Change of Ownership
Access PECOS:
Enroll Online: Learn more about PECOS
Internet-based PECOS - External User Services (EUS) Help Desk
  • Issues with User ID/Password and unable to log in
Phone: 866-484-8049
TTY: 866-523-4759
Live Chat: EUS Live Chat
  • Customer Support
Phone: 800-624-1373 (toll free, Option #2)
Hours: 7 a.m. - 7 p.m. Monday - Friday ET


Last Updated Dec 09 , 2023