NOTICE – New Medicare Numbers & Cards

Social Security Numbers are being removed from Medicare cards, including Railroad Retirement, to prevent fraud, fight identity theft, and keep taxpayer dollars safe.

Medicare patients in the Midwest (Nebraska, Iowa, Kansas North and South Dakota) will receive new Medicare Beneficiary Identifier (MBI) numbers & cards beginning in June 2018.   Those beneficiaries that are enrolling in Medicare for the first time will be enrolled with the new format beginning in April.  The current Medicare number and the new Medicare number will both be accepted until January 2020.

Lutz recommends that providers review and test their software system to ensure a smooth transition to the new numbers and new format. The new MBI will be a non-intelligent unique identifier, 11 positions, and positions 2, 5, 8 & 9 will always be alphabetic. An example is 1FH6TR4MK85. Position definitions are defined below.


Position 1 – numeric values 1 thru 9

Position 2 – alphabetic values A thru Z (minus S, L, O, I,  B, Z)

Position 3 – alpha-numeric values 0 thru 9 and A thru Z (minus S, L, O, I, B, Z)

Position 4 – numeric values 0 thru 9

Position 5 – alphabetic values A thru Z (minus S, L, O, I, B, Z)

Position 6 – alpha-numeric values 0 thru 9 and A thru Z (minus S, L, O, I, B, Z)

Position 7 – numeric values 0 thru 9

Position 8 – alphabetic values A thru Z (minus S, L, O, I, B, Z)

Position 9 – alphabetic values A thru Z (minus S, L, O, I, B, Z)

Position 10 – numeric values 0 thru 9

Position 11 – numeric values 0 thru 9


The Railroad Retirement Board will look the same as all other Medicare cards with the new format.   Staff will need to look for “Railroad Retirement Board” at the bottom of the card.



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