Part B-Income Related Adjustments

If your income is greater than $85,000 individual or $170,000 joint you may have to pay an income-related adjusted premium for your Part B.  Please review the chart to check your amount.

If your yearly income in 2016 (for what you pay in 2018) was You pay each month (in 2018)
File individual tax return File joint tax return File married & separate tax return
$85,000 or less $170,000 or less $85,000 or less $134
above $85,000 up to $107,000 above $170,000 up to $214,000 Not applicable $187.50
above $107,000 up to $133,500 above $214,000 up to $267,000 Not applicable $267.90
above $133,500 up to $160,000 above $267,000 up to $320,000 Not applicable $348.30
above $160,000 above $320,000 above $85,000 $428.60

https://www.medicare.gov/your-medicare-costs/part-b-costs/part-b-costs.html