Part B costs

Some people automatically get 

Medicare Part B (Medical Insurance)

, and some people need to sign up for Part B. Learn how and when you can sign up for Part B.

If you don't sign up for Part B when you're first eligible, you may have to pay a late enrollment penalty.

How much does Part B cost?

Part B premiums

You pay a premium each month for Part B. Your Part B premium will be automatically deducted from your benefit payment if you get benefits from one of these:

  • Social Security
  • Railroad Retirement Board
  • Office of Personnel Management

If you don’t get these benefit payments, you’ll get a bill. 

Most people will pay the standard premium amount. If your modified adjusted gross income is above a certain amount, you may pay an Income Related Monthly Adjustment Amount (IRMAA). Medicare uses the modified adjusted gross income reported on your IRS tax return from 2 years ago. This is the most recent tax return information provided to Social Security by the IRS. 

 

2021

The standard Part B premium amount in 2021 is $148.50. 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.

If your yearly income in 2019 (for what you pay in 2021) wasYou pay each month (in 2021)
File individual tax returnFile joint tax returnFile married & separate tax return
$88,000 or less$176,000 or less$88,000 or less$148.50
above $88,000 up to $111,000above $176,000 up to $222,000Not applicable$207.90
above $111,000 up to $138,000above $222,000 up to $276,000Not applicable$297.00
above $138,000 up to $165,000above $276,000 up to $330,000Not applicable$386.10
above $165,000 and less than $500,000above $330,000 and less than $750,000above $88,000 and less than $412,000$475.20
$500,000 or above$750,000 and above$412,000 and above$504.90

Part B deductible & coinsurance

In 2021, you pay $203 for your Part B 

deductible [glossary]

. After you meet your deductible for the year, you typically pay 20% of the 

Medicare-Approved Amount

 for these:

  • Most doctor services (including most doctor services while you're a hospital inpatient)
  • Outpatient therapy
  • Durable Medical Equipment (Dme) [Glossary]

Find out what Part B covers.

Find out what you pay for Part B covered services.

Find out who to call about Medicare options, claims and more.