The Medicare Card

The Medicare card, (the red, white and blue health insurance card) includes the following information:

  • Name of the beneficiary.
  • Medicare Beneficiary Identifier (MBI), as known as Health insurance claim number (HIC).
  • Date of the beneficiary's entitlement to Medicare Part A and/or Part B.

Medicare Number

The Medicare Number is also referred to as a MBI number for health insurance claim number, Social Security claim number, or Railroad Retirement claim number).

The Medicare number must be 11 alphanumeric characters excluding letters S, L, O, I, B and Z.


The following codes are frequently seen in MBI/HIC numbers:

M = Medicare Only (No SSA benefits)
A =  Primary claimant
B =  Wife
D =  Widow

Issuance

The Social Security Administration or the Railroad Retirement Board is responsible for issuing the Medicare card to eligible persons.

  • A new Medicare card is issued whenever a beneficiary's name, Medicare number, or dates of entitlement change.
  • Beneficiaries who need to have their Medicare cards corrected or replaced should contact Social Security.

Related Topics

Medicare - Part A & Part B

Medicare Part A

Medicare Part B