2021 Costs at a Glance
Premium-Free Part A
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:
You already get retirement benefits from Social Security or the Railroad Retirement Board.
You're eligible to get Social Security or Railroad benefits but haven't filed for them yet.
You or your spouse had Medicare-covered government employment.
If you're under 65, you can get premium-free Part A if:
You got Social Security or Railroad Retirement Board disability benefits for 24 months.
You have End-Stage Renal Disease (ESRD) and meet certain requirements.
Part A premiums
If you don't qualify for premium-free Part A, you can buy Part A.
If you paid Medicare taxes for less than 30 quarters, the standard Part A premium is $471. If you paid Medicare taxes for 30-39 quarters, the standard Part A premium is $259.
In most cases, if you choose to buy Part A, you must also:
Pay monthly premiums for both Part A and Part B
Contact Social Security for more information about the Part A premium.
Part B Premium
If you don't sign up for Part B when you're first eligible, you may have to pay a late enrollment penalty.
The standard Part B premium amount in 2021 is $148.60. Most people pay the standard Part B premium amount. If your modified adjusted gross income as reported on your IRS tax return from 2 years ago is above a certain amount, you'll pay the standard premium amount and an Income Related Monthly Adjustment Amount (IRMAA). IRMAA is an extra charge added to your premium.
Part C Premium
The Part C monthly premium varies by plan.
Part D Premium
The Part D monthly premium varies by plan (higher-income consumers may pay more).
If you don't sign up for Part D when you're first eligible, you may have to pay a late enrollment penalty.