How Much Is the Medicare Part D Premium in 2027?
Updated August 3, 2026
CMS has announced the 2027 Medicare Part D national base beneficiary premium is $41.33—but that is not what most people will actually pay. Let’s clear up what this number really means.
Another important 2027 Medicare Part D change is that CMS will end the temporary Part D Premium Stabilization Demonstration after the 2026 plan year.
Editor’s Update (August 3, 2026): CMS has confirmed that the voluntary Part D Premium Stabilization Demonstration for stand-alone prescription drug plans will end after the 2026 plan year. CMS says it will release the finalized 2027 Medicare Advantage and Part D landscape, along with final average premiums and other key information, in mid-to-late September 2026.
The short answer
No, Medicare has not announced that everyone will pay $41.33 a month for Part D in 2027.
The $41.33 figure is the national base beneficiary premium. It is used as a starting point when calculating plan-specific basic Part D premiums—not the amount every beneficiary will pay. Most Medicare beneficiaries simply want to know, “How much will my Medicare Part D premium actually be?” The answer depends on the specific prescription drug plan you choose, where you live, and whether factors such as a late-enrollment penalty or Part D IRMAA apply.
If you are new to prescription drug coverage, start with What Is Medicare Part D? for an explanation of how Part D coverage, formularies, premiums, and other costs work.
That distinction matters because a headline such as “The 2027 Medicare Part D premium is $41.33” sounds personal and final. It is neither.
As of August 3, 2026, the finalized 2027 Medicare Advantage and Part D landscape and final average premium information have not been released. CMS says it expects to publish those details in mid-to-late September 2026.
What 2027 Medicare Part D Changes Did CMS Announce?
On July 28, 2026, the Centers for Medicare & Medicaid Services released preliminary Part D bid information for the 2027 plan year.
| 2027 national base beneficiary premium | $41.33 |
|---|---|
| 2027 national average monthly bid amount | $296.05—an average of plan sponsors’ projected costs for providing basic Part D benefits. This is not a beneficiary premium. |
| What it is | A figure used in the formula for calculating plan-specific basic Part D premiums. |
| What it is not | A universal monthly premium charged to every Medicare beneficiary. |
| When final plan information is expected | Mid-to-late September 2026. |
What does the “Part D bid amount” mean?
The word bid can make this announcement sound more complicated than it needs to be. Medicare beneficiaries are not bidding on anything, and the $296.05 national average monthly bid amount is not a bill you will receive.
Each Part D insurance company submits a bid to CMS estimating what it expects the basic Part D benefit to cost for an average enrollee. CMS combines those bids using an enrollment-weighted average, meaning bids from plans with more enrollees have a greater effect on the final number.
For 2027, that national average monthly bid amount is $296.05. CMS uses it to help calculate the government subsidy paid to Part D plans.
Think of it this way: The $296.05 bid amount relates to what plans project coverage will cost. The $41.33 base beneficiary premium is used as a starting point in the premium formula. Neither number, by itself, tells you what your particular plan will charge.
The 2027 base beneficiary premium is up from $38.99 in 2026. That is a 6% increase, which is the maximum annual increase currently allowed for this particular base figure under the Inflation Reduction Act’s premium-stabilization provision.
Important: A 6% increase in the national base beneficiary premium does not mean every individual Part D plan premium will increase by 6%. Your plan’s actual 2027 premium has not been announced yet.
Why might your actual Part D premium be different?
The national base beneficiary premium is only one part of the calculation. Part D premiums are plan-specific, and the price you see can vary based on several factors, including:
- The particular plan you choose
- Where you live
- The plan’s benefit design and expected costs
- Whether the plan includes supplemental coverage
- Whether you owe a Part D late-enrollment penalty
- Whether your income subjects you to the Part D income-related monthly adjustment amount, commonly called Part D IRMAA
This is why you may see several Part D plans in your area with very different monthly premiums—even though they are all built around the same Medicare Part D program.
And remember: the monthly premium is only one piece of what a drug plan may cost you. The deductible, formulary, drug tiers, pharmacy network, copayments and coinsurance can matter even more.
If you want help comparing the whole picture, read How to Choose a Medicare Part D Plan Without Getting Burned.
Why Do Medicare Part D Plans Have Different Premiums?
Although Medicare establishes the rules for the Part D program, prescription drug plans are offered by private insurance companies. Each company estimates its own costs, negotiates with pharmacies and drug manufacturers, designs its benefits, and submits a bid to CMS.
Because every company is different, two Medicare Part D plans available in the same ZIP code can have very different monthly premiums. That’s why the national base beneficiary premium announced by CMS should never be confused with the premium you personally will pay.
What is ending after 2026?
CMS also announced that the temporary Part D Premium Stabilization Demonstration will end after the 2026 plan year.
This demonstration was introduced during the rollout of the redesigned Part D benefit. For participating stand-alone prescription drug plans, it provided additional temporary measures intended to limit sudden premium changes while insurers gained experience with the new benefit structure.
CMS says its 2027 bid analysis indicates that Part D plan sponsors now have sufficient experience under the redesigned Part D benefit to support the assumptions used in their prescription drug plan bids. CMS will therefore discontinue the demonstration at the end of calendar year 2026 and return the program to traditional market conditions in 2027.
What we cannot say yet: CMS has not released the final premium for each 2027 Part D plan. Ending the demonstration does not, by itself, tell us whether your plan’s premium will rise, fall or remain similar. We need the finalized plan landscape and premium information expected in September before drawing conclusions about individual plans.
Is the Part D premium cap ending too?
No. This is where two similarly named policies can create confusion.
The temporary demonstration is ending, but the separate Inflation Reduction Act provision that limits annual increases in the national base beneficiary premium to 6% remains in effect through 2029.
Again, that 6% limit applies to the national base figure—not necessarily to the total premium of every Part D plan.
What should people with Medicare do right now?
1Do not panic over the $41.33 headline.
It does not tell you what your personal premium will be.
2Do not choose a plan based on premium alone.
A low-premium plan can still cost more overall if your prescriptions are placed on expensive tiers or your pharmacy is not preferred.
3Watch for your Annual Notice of Change.
If you are already enrolled in a Medicare Advantage or Part D plan, your Annual Notice of Change should explain how your current plan’s premium, drug coverage and other costs will change for 2027.
4Review the finalized 2027 choices in the fall.
Once plan details become available, compare your medications, dosages and preferred pharmacies—not just the monthly premium.
Some beneficiaries may have additional decisions to make. If your current Medicare Advantage or prescription drug plan is being discontinued or leaving your area, you will want to compare all available options during the Annual Enrollment Period—not just the monthly premium.
If you are enrolled in a Humana Medicare Advantage plan, read Humana Medicare Advantage Plans Ending in 2027: What Affected Members Need to Know to learn what the announced changes could mean for your coverage.
Get organized before the plan details arrive
You do not need to wait until Annual Enrollment to prepare. Start gathering your current prescriptions, pharmacy information and plan documents now.
Get the free Medicare Open Enrollment Checklist so you know exactly what to review when 2027 plan information is released.
Frequently asked questions
Is there a premium for Medicare Part D?
Yes. Most Medicare Part D prescription drug plans charge a monthly premium, although some plans have very low or even $0 premiums. Your premium depends on the specific plan available where you live. Some beneficiaries may also pay a separate Part D IRMAA if their income is above Medicare’s income thresholds.
Will everyone pay $41.33 for Medicare Part D in 2027?
No. The $41.33 figure is the national base beneficiary premium used in the formula for calculating plan-specific basic Part D premiums. It is not a universal premium charged to every beneficiary.
Will ending the Part D Premium Stabilization Demonstration make my premium increase?
Not necessarily. CMS has not yet released the final 2027 premium for each plan. Your actual premium will depend on the specific plan and service area, along with any applicable late-enrollment penalty or Part D IRMAA.
When will 2027 Medicare Part D plan premiums be available?
CMS says it expects to release the finalized 2027 Medicare Advantage and Part D landscape, final average premiums and other key information in mid-to-late September 2026.
The bottom line
The confirmed 2027 national base beneficiary premium is $41.33. But that does not mean every Medicare beneficiary will pay $41.33 a month for Part D.
The finalized 2027 Medicare Advantage and Part D landscape and final average premium information are still expected in mid-to-late September 2026. Until then, any headline presenting $41.33 as everyone’s final premium is leaving out the most important part of the story.
When the actual 2027 plan information becomes available, RobinsWisdom will help you understand what changed and what deserves a closer look—without the panic or the 1-800-number runaround.
That’s Medicare, minus the headache.
Official source: Centers for Medicare & Medicaid Services, Medicare Part D 2027 National Average Monthly Bid Amount Information, published July 28, 2026.
Related Medicare Resources
- What Is Medicare Part D?
- How to Choose a Medicare Part D Plan Without Getting Burned
- Humana Medicare Advantage Plans Ending in 2027
- Free Medicare Open Enrollment Checklist
