Medicare's prescription drug spending cap rises by $300 in 2027, even as negotiated prices take effect for more medications. Premiums are changing, too, though whether you pay more or less depends on your plan.
You don't need to follow every Medicare policy announcement to choose coverage.
You do need to know which changes affect your prescriptions, monthly bills, and
access to care. Reviewing these benefits for
seniors now gives you time to compare coverage during Medicare's October
15–December 7 open enrollment period. Here's what's changing for
2027.
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Negotiated prices take effect for 15 more drugs
Starting January 1, 2027, Medicare-negotiated prices take effect for 15 additional drugs, bringing the total to 25. The new group includes treatments for diabetes, cancer, asthma, and other chronic conditions.
CMS estimates $685 million in combined out-of-pocket savings in 2027. How much of that savings reaches you depends on your prescriptions and your plan's cost-sharing rules.
The Part D spending cap rises to $2,400
The annual out-of-pocket limit for covered Part D prescriptions increases from $2,100 in 2026 to $2,400 in 2027, according to CMS's finalized benefit amounts.
That means someone with expensive prescriptions could pay $300 more before reaching the limit. That $2,400 limit applies to covered Part D prescriptions. It doesn't include your monthly premiums or generally count what you spend on drugs outside your plan's coverage.
The maximum drug deductible increases to $700
The standard Part D deductible rises from $615 to $700 in 2027. Plans may charge less or exempt certain drugs from the deductible, so $700 isn't automatically your bill.
Still, check this number if you usually pay most of your prescription costs early in the year. The deductible counts toward the Part D out-of-pocket limit; it isn't another $700 stacked on top of the $2,400 cap.
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Temporary Part D premium support ends
CMS has confirmed that the Part D Premium Stabilization Demonstration ends after 2026. This temporary program provided additional support to participating standalone prescription drug plans to soften premium changes.
Some plans could raise premiums as that support ends. Check the 2027 premium in your Annual Notice of Change, even if you've been happy with your coverage.
Average Medicare Advantage premiums are projected to fall
CMS projects an average Medicare Advantage premium of $12 monthly in 2027, down from $14.37 in 2026.
That average gives more weight to plans with more members. It doesn't mean your own premium is dropping. And the advertised plan premium isn't your entire Medicare bill: You generally still owe the Part B premium. Compare copays and coverage alongside that monthly price.
Standalone drug premiums are projected to edge up
For standalone Part D plans, CMS projects average monthly premiums of $36 in 2027, compared with $35.09 in 2026.
Your increase could be larger than that average. And a few dollars saved on premiums may disappear quickly if a medication you take every month costs more. Compare the estimated annual cost of your medications and premiums together, using the pharmacies you actually visit.
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Medicare Advantage has slightly fewer plans nationwide
CMS expects about 5,532 Medicare Advantage plans nationally in 2027, down from 5,553 in 2026. About 97% of beneficiaries have access to at least 10 options.
Those national figures don't tell you what's happening in your county. Check your ZIP code in Medicare Plan Finder, especially if your insurer has notified you that your current plan is ending.
Plan ratings now include more medication-safety checks
The 2027 Star Ratings, released in October 2026 for enrollment comparisons, add measures examining opioid-and-benzodiazepine combinations and the use of multiple anticholinergic medications in older adults.
If you take several prescriptions, those medication-safety measures may be worth a closer look. Check the individual scores alongside the overall star rating when comparing plans.
Plans must explain who qualifies for certain extra benefits
Under the 2027 final rule, Medicare Advantage plans must publicly post their own eligibility criteria for special supplemental benefits for chronically ill members.
That matters when an advertisement highlights help with groceries or other everyday expenses. Enrollment alone doesn't necessarily qualify you for those benefits. Before choosing a plan for its grocery allowance, ask whether you qualify and how much you'd actually receive.
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Benefit cards have clearer spending rules
CMS also finalized requirements for supplemental-benefit debit cards, including real-time checks that purchases qualify for plan coverage and limiting cards to the specific plan year.
Before budgeting around a benefit card, check what it covers, where you're allowed to use it, and when the funds expire. The advertised allowance may be less useful if it excludes your usual purchases or stores.
Bottom line
Medicare's 2027 changes could lower some prescription costs while leaving you with a higher deductible or premium. If you're living on just Social Security, compare your total yearly costs before renewing. A lower monthly premium may not make up for higher charges on medications you refill every month.
If you're switching Medicare Advantage plans, confirm with both the insurer and your doctors' offices that your doctors are in the new plan's network. Give them the exact plan name; different plans from the same insurer may use different networks.
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