WHAT IS A LATE ENROLLMENT PENALTY

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• Part A

  If you don't enroll in Part A when you're first eligible, you may have to pay a penalty of up to 10% per month for twice the number of years you didn't enroll. However, most Americans receive premium-free Part A and don't have to pay a late enrollment penalty. The exception is if you or your spouse haven't worked and paid taxes for at least 10 years. 

• Part B

  If you don't enroll in Part B when you're eligible, you may have to pay a penalty of 10% for each year you could have signed up. 

• Part D

  If you don't enroll in Part D when you're eligible, you may have to pay a penalty of 1% for each month you were late enrolling, rounded up to the nearest $0.10