Find out which part of your Medicare drug coverage is actually changing for 2027, why the change does not hit every plan the same way, and what to check before you assume your premium is going up.
Trump Ends Medicare Part D Subsidy: Will Your Costs Rise in 2027?
Medicare Part D Subsidy Is Ending in 2027: What It Means for Your Drug Plan Premium
Your Medicare drug plan may look almost the same today, yet the price you see for 2027 could tell a different story. A temporary program that has been holding down premiums is ending, and it does not affect every Medicare enrollee the same way.
The Trump administration, through the Centers for Medicare and Medicaid Services (CMS), has announced that the Part D Premium Stabilization Demonstration will end after 2026. If you rely on prescriptions and live on a fixed income, the difference between a small increase and a much larger one can reshape your monthly budget.
Here is what is actually changing, what is not, and how to protect yourself when 2027 plan pricing arrives this fall.
What’s Ending After 2026
The Part D Premium Stabilization Demonstration began in 2025 under the Biden administration to help stand-alone Medicare prescription drug plans adjust to major changes in the Part D benefit. It lowered beneficiary premiums and, in its first year, limited how much a participating plan’s total premium could rise. The federal government also absorbed more of the risk if a plan’s drug costs came in higher than projected.
CMS says its review of 2027 bids shows that Part D sponsors now have enough experience with the redesigned benefit to price their plans without the extra federal support. CMS Administrator Dr. Mehmet Oz has described the demonstration as an insurer bailout that is no longer needed, and has said premiums will rise by less than $10 for most Medicare recipients, with many seeing lower premiums. That is the administration’s projection, not a guarantee for your specific plan.
Three Things That Are NOT Ending
The announcement can sound broader than it really is, so it helps to separate three different things.
Medicare Part D itself is not ending. The annual limit on what beneficiaries pay out of pocket for covered drugs is not ending. And Extra Help, the separate Low Income Subsidy program, is not the temporary program being discussed here.
What is ending is one additional demonstration, aimed mainly at stand-alone Part D plans, the drug plans commonly paired with Original Medicare.

Why the Subsidy Existed in the First Place
The Inflation Reduction Act redesigned who pays for expensive prescriptions under Part D. Beginning in 2025, it placed a $2,000 annual cap on a beneficiary’s out-of-pocket spending for covered drugs. That was a major protection for people who use costly medicine, but it also shifted more financial responsibility onto the private insurers that run Part D plans.
Insurers responded by projecting higher costs, and CMS worried that stand-alone plan premiums could jump sharply while companies and beneficiaries adjusted. The Government Accountability Office later found that without the demonstration, average monthly premiums for people who stayed in their 2024 stand-alone plan would have nearly doubled in 2025. For 37% of those beneficiaries, the modeled increase was more than $40 a month.
The demonstration softened that transition with premium reductions, limits on annual plan premium growth, and added protection for insurers. CMS already reduced that assistance once, for 2026, as the market adjusted.
Behind the Confusing 2027 Numbers
This is where the numbers can get confusing. CMS set the 2027 Part D national average monthly bid amount at $296.05. That is a technical measure used in Medicare financing, not a bill that beneficiaries pay.
The 2027 base beneficiary premium is $41.33, but that is not a universal plan premium either. Your actual premium depends on the plan, the insurer’s bid, where you live, the plan’s drug list, extra coverage, and other pricing decisions.
The law still limits growth in the national base beneficiary premium to 6% a year through 2029. That does not mean every individual plan’s premium is capped at a 6% increase, especially now that the separate demonstration is ending.

Who Should Pay the Closest Attention
The most directly affected group is the roughly 25 million people enrolled in stand-alone prescription drug plans. More than 31 million people receive drug coverage through Medicare Advantage plans, and those plans were not the main target of this demonstration.
Medicare Advantage premiums and benefits can still change for other reasons, but this specific policy decision is centered on the stand-alone Part D market.
A Real-World Example
Imagine Maria has Original Medicare, a Medigap policy, and a separate Part D plan. Her current drug premium is manageable, and all her prescriptions are on the formulary.
If her plan becomes more expensive for 2027, she may find a cheaper premium elsewhere. But the cheaper plan could place one of her medicines on a higher tier or exclude her preferred pharmacy. Looking only at the monthly premium could end up costing her more over the full year.
The same caution applies to Medicare Advantage. A low-premium plan with drug coverage may work well, but switching from Original Medicare can affect your doctors, hospitals, prior authorization rules, and medical cost sharing. Returning to Medigap later may also involve underwriting unless you have a protected right, so compare the medical side before making a bigger coverage decision.
What This Means for You
Final 2027 plan details are what will make the real impact clear. Watch for your Annual Notice of Change from your current plan this fall, then review the 2027 options once Medicare’s plan information becomes available.
Medicare Open Enrollment runs from October 15 through December 7, and changes made during that period generally take effect January 1.
Your 2027 Part D Comparison Checklist
When you compare plans, start with every prescription you take, including the exact dose and how often you fill it.
Check whether each drug remains on the formulary, what tier it is on, whether prior authorization or step therapy applies, and whether your pharmacy is preferred or merely in-network. Then combine the annual premium with the expected deductible and copayments instead of picking the plan with the lowest headline price.
Also look at the broader 2027 Part D limits. The standard deductible can be as high as $700, though plans may charge less or apply it differently by drug tier. The annual out-of-pocket cap for covered Part D drugs rises to $2,400. That cap remains valuable for people with high drug costs, but premiums and drugs that are not covered do not count toward it.

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If Your Income Is Limited
If your income and resources are limited, check whether you qualify for Extra Help. That program can reduce Part D premiums and cost sharing, and it is separate from the demonstration that is ending.
You can also get free, personalized counseling through your State Health Insurance Assistance Program (SHIP), or contact Medicare directly, before making a change.
Common Mistakes to Avoid
Don’t assume the $296.05 or $41.33 national figures are what you will pay. Those are financing benchmarks, not a quote for your plan.
Don’t judge a new plan by premium alone. A cheaper premium can hide a higher deductible, a pricier drug tier, or an out-of-network pharmacy. And don’t wait until December 7 to start comparing — plan details typically become available in September, and giving yourself time avoids a rushed decision.
Frequently Asked Questions
Is Medicare Part D going away?
No. Medicare Part D itself is not ending. What’s ending is a temporary demonstration program that had been helping lower premiums for some stand-alone drug plans.
Will my Medicare drug plan premium go up in 2027?
It depends on your specific plan. The administration projects most people will see increases under $10 a month, with some seeing lower premiums, but that is a national projection, not a guarantee for any individual plan.
What is the difference between the $296.05 and $41.33 figures?
The $296.05 is the 2027 national average monthly bid amount, a technical Medicare financing measure. The $41.33 is the 2027 base beneficiary premium used in calculations. Neither is a bill that any one person will actually pay.
Does this affect Medicare Advantage plans too?
Medicare Advantage plans were not the main target of this demonstration. The roughly 25 million people in stand-alone Part D plans are the group most directly affected.
Is Extra Help ending too?
No. Extra Help, the Low Income Subsidy program, is separate from the demonstration that is ending and continues to be available to eligible people with limited income and resources.
When can I switch Medicare drug plans for 2027?
Medicare Open Enrollment runs October 15 through December 7. Changes made during that window generally take effect January 1, 2027.
Key Takeaway
There’s a policy argument on each side of this decision. The administration says a temporary transition program should end once insurers can price the benefit on their own. Critics warn that withdrawing support could expose some older adults to sharp increases even if the national average looks modest. Both can be true in different corners of the market — a national projection may show manageable movement while a particular plan in a particular county rises much more.
The calm response is not to panic and not to ignore the notice. Keep taking your medicine as prescribed, make a complete list of your drugs and pharmacies, and set aside time during open enrollment to compare total annual costs.
This policy change does not erase Medicare drug coverage, but it makes an annual plan review especially important for anyone with a stand-alone Part D plan. When the real 2027 prices arrive, compare the whole plan, ask for unbiased help if you need it, and choose based on your medicines and health care, not a single monthly number.
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Money Instructor provides educational information only and does not offer tax, legal, insurance, or medical advice. Medicare rules and plan pricing may change. Please verify details with official sources such as Medicare.gov or your State Health Insurance Assistance Program (SHIP), and consult a licensed insurance counselor before making coverage decisions.