Part D Income-Related Adjustments

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).

Part D premiums by income

The chart below shows your estimated prescription drug plan monthly premium based on your income as reported on your IRS tax return. If your income is above a certain limit, you'll pay an income-related monthly adjustment amount in addition to your plan premium. 

If your filing status and yearly income in 2017 was
File individual tax return File joint tax return File married & separate tax return You pay each month (in 2019)
$85,000 or less $170,000 or less $85,000 or less your plan premium
above $85,000 up to $107,000 above $170,000 up to $214,000 not applicable $12.40 + your plan premium
above $107,000 up to $133,500 above $214,000 up to $267,000 not applicable $31.90 + your plan premium
above $133,500 up to $160,000 above $267,000 up to $320,000 not applicable $51.40 + your plan premium
above $160,000 and less than $500,000 above $320,000 and less than $750,000 above $85,000 and less than $415,000 $70.90 + your plan premium
$500,000 or above $750,000 and above $415,000 and above $77.40 + your plan premium