Telephone Reopening

Medicare Part B offers Telephone Reopenings, 855-609-9960, for certain requests. CSRs can assist with three (3) inquiries for a single NPI/PTAN combination per call.

Requirements when Calling to Request a Reopening

The following will be verified by either a representative or the IVR
  • National Provider Identifier (NPI)
  • Provider Transaction Access Number (PTAN)
  • Last 5 Digits of Tax Identification Number (TIN)
This information will be verified by a representative
  • State where the services were provided
  • Beneficiary's Medicare ID
  • Beneficiary's last name and first initial
  • Internal Control Number (ICN) of claim
  • Number of reopenings for the call
  • Corrective action that will be made on the claim
Additional details that may need to be verified
  • Date of service
  • Provider/Facility Name
  • Billed amount
  • Procedure code in question
  • Beneficiary's date of birth
Last Updated Feb 27 , 2026