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Medicare Beneficiary Identifier (MBI) Transition

Starting 1/1/2020, all Medicare claims must be submitted using the Medicare Beneficiary Identifier (MBI). Claims submitted using the Health Insurance Claim Number (HICN) as the beneficiary identifier will not be forwarded for processing.

MLN Matters number SE18006 provides guidance on obtaining individual MBI’s, and their usage.

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October 1, 2019
September 3, 2019
August 6, 2019
July 2, 2019