You usually don’t pay a monthly premium for Medicare Part A (Hospital Insurance) coverage if you or your spouse paid Medicare taxes for a certain amount of time while working. This is sometimes called “premium-free Part A.”
Most people get premium-free Part A.
You can get premium-free Part A at 65 if:
If you’re under 65, you can get premium-free Part A if:
If you buy Part A, you’ll pay up to $422 each month in 2018 ($437 in 2019). If you paid Medicare taxes for less than 30 quarters, the standard Part A premium is $422 ($437 in 2019). If you paid Medicare taxes for 30-39 quarters, the standard Part A premium is $237 ($240 in 2019).
In most cases, if you choose to buy Part A, you must also:
Contact Social Security for more information about the Part A premium.
Some people automatically get Medicare Part A (Hospital Insurance). Learn how and when you can sign up for Part A.
Find out what you pay for Part A-covered services.
source “medicare.gov”