
What does the letter a mean in my Medicare number?
It denotes a primary claimant who is retired and has paid into the Medicare system as a wage earner for at least 40 quarters. It’s important to understand that the letter codes in your Medicare number have nothing to do with enrollment in the various parts of Medicare that are also identified by a letter A, B, C, or D.
What does the “t” mean on my Medicare card?
“T” may indicate that you are eligible for Medicare Part A benefits but are not eligible for retirement benefits. It may also indicate that your Medicare eligibility is due to chronic kidney disease.
What is the difference between M1 and T code for Medicare?
M1 indicates you are enrolled in Part B and are also eligible for coverage under Medicare Part A but have refused Part A coverage. Code T – indicates the retiree is eligible for Medicare Part A benefits but not eligible for retirement benefits.
What does Medicare number “B” mean?
The numerical part of your Medicare number matches your Social Security Number. “B” by itself means you are the wife of the primary claimant, and are at least 62 years old. Other Medicare suffixes in the “B” category include:

What do the letters at the end of Medicare numbers mean?
After the numerical sequence, there will be a letter or a letter followed by another number. These codes indicate Medicare eligibility. For example, assume you are the wife (62 years or older) of the primary claimant, and your husband's SSN is 555-55-5555. Your Medicare number would be 555-55-5555-B.
What do all the letters mean in Medicare?
There are four parts of Medicare: Part A, Part B, Part C, and Part D. Part A provides inpatient/hospital coverage. Part B provides outpatient/medical coverage. Part C offers an alternate way to receive your Medicare benefits (see below for more information). Part D provides prescription drug coverage.
Do the new Medicare numbers mean anything?
Will the MBI's characters have any meaning? Each MBI is randomly generated. This makes MBIs different than HICNs, which are based on the Social Security Numbers (SSNs) of people with Medicare. The MBI's characters are “non-intelligent” so they don't have any hidden or special meaning.
What does Medicare numbers start with?
On a Medicare card, an MBI will appear similar to this: 1EG4-TE5-MK73. The second, fifth, eighth, and ninth characters are always letters while the first, fourth, seventh, tenth, and eleventh characters are always numbers. You can visit cms.gov for more information on the format of an MBI.
How do I read my Medicare number?
The IRN appears to the left of the patient's name on their Medicare card. This is not a unique identifier. While your Individual Reference Number is the number to the left of your name on your card, your Medicare Card Number is the 10 digit number that appears above your name, across the top section of the card.
What does the letter mean after my Social Security number?
claim numberThe letters at the end of a SSN indicate the claim number for a SSI or Social Security beneficiary. Per the SSA: "If you are an SSI beneficiary, your claim number is your nine-digit Social Security Number (SSN) (000-00-0000) followed by two letters such as EI, DI, DS, DC.
Why do I have two Medicare numbers?
The front of your Medicare card indicates whether you are enrolled in Part A and/or Part B under the heading “IS ENTITLED TO.” If you are enrolled in the Medicare Part C (Medicare Advantage) plan or Medicare Part D (prescription drug) plan, that information appears on a separate card and not on your Medicare card.
What letters are not in a Medicare number?
We use numbers 1-9 and all letters from A to Z, except for S, L, O, I, B, and Z. If you use lowercase letters, our system will convert them to uppercase letters.
What is 11 digit Medicare number?
A complete Medicare number requires 11 digits in total. This includes your 10-digit Medicare number on your card followed by the unique reference number that appears next to your name. Please take extra care when entering you Medicare Number, it is extremely important to ensure it is 100% correct.
What is the claim number for Medicare?
These letter codes may appear on correspondence you receive from Social Security or on your Medicare card. They will never appear on a Social Security card. For example, if the wage earner applying for benefits and your number is 123-45-6789, then your claim number is 123-45-6789 A . This number will also be used as your Medicare claim number, ...
What do the letters after a Social Security number mean?
What do the letters after a Social Security or Medicare number mean? The Social Security number followed by one of these codes is often referred to as a claim number. We assign these codes once you apply for benefits.
What is the difference between B1 and B1?
B applies to a wife drawing on a husband’s record, while B1 is for a husband drawing on a wife’s record. Numerical suffixes continue to 9 (with B9 being the Medicare number suffix for a third husband). The spouse’s or ex-spouse’s Social Security Number will be the first nine numbers for anyone with the suffix code in the “B” category.
What does HB mean in Medicare?
HB means you are the wife of a disabled claimant. HC means you are the child of a disabled claimant. Codes J & K – these categories are for workers and spouses respectively who become eligible for special Medicare benefits without drawing Social Security.
What do the letters on my Medicare card mean?
What do the letters on your Medicare card mean? The Medicare number displayed on Medicare cards (known as an MBI, or Medicare Beneficiary Identifier) is 11 characters long: The 2nd, 5th, 8th and 9th characters are always a letter, and the 3rd and 6th characters are sometimes a letter. All other characters will be numbers, and the letters S, L, O, ...
What is Medicare Supplement Insurance?
Medicare Supplement Insurance, also called Medigap, uses a letter system to identify its plans. Medicare Supplement Insurance is used in conjunction with Part A and Part B of Medicare to provide coverage for certain out-of-pocket expenses like some Medicare deductibles and coinsurance.
What is Medicare Part B?
Medicare Part B is medical insurance and provides coverage for outpatient doctor’s appointments and medical devices. Medicare Part C, also known as Medicare Advantage, provides coverage for everything found in Part A and Part B through one plan provided by a private insurer.
What is the meaning of MBI?
All other characters will be numbers, and the letters S, L, O, I, B and Z will never be used. The MBI is randomly generated and is “non-intelligent,” which means it contains no hidden or special meaning and is therefore more difficult for someone to use to steal your identity or commit fraud.
Does Medicare cover dental insurance?
Many Medicare Advantage plans may also cover additional benefits not covered by Part A and Part B, such as prescription drugs, dental, vision, hearing, wellness programs like SilverSneakers and more. Medicare Part D provides coverage exclusively for prescription drugs.
Who is Christian Worstell?
Christian Worstell is a licensed insurance agent and a Senior Staff Writer for MedicareAdvantage.com. He is passionate about helping people navigate the complexities of Medicare and understand their coverage options. .. Read full bio
