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Medicare Part D
Prescription Drug Coverage 2027
Medicare Part D Changes 2027: A Checklist for Reviewing Your Own Plan
Reviewed by Russell Noga, Licensed Medicare Insurance Broker (all 50 states) — Last updated October 30, 2026
The biggest Medicare Part D changes for 2027 are a $700 maximum deductible, a $2,400 out-of-pocket cap and the end of the federal premium demonstration, but your own plan’s changes may matter more. Your Annual Notice of Change lists what your plan is doing to its premium, drug list, tiers and pharmacies for 2027, and those details differ by plan and area.
2027 by the Numbers
323
standalone PDP filings for 2027 (our count of CMS 2027 plan filings)
$700
highest 2027 standard deductible, up from $615 (CMS)
$2,400
2027 out-of-pocket cap on covered drugs (CMS)
11 to 9
average number of standalone plans per person, 2026 to 2027 (KFF)
Medicare sets a few rules that apply to all Part D coverage, and then each insurance company decides how its own plan will change for the new year. That second layer is where most surprises come from. A plan can raise its premium, move a drug to a higher tier, drop a pharmacy from its preferred network or leave your region entirely, all while the national rules stay the same.
This page skips the broad overview in our Medicare Part D plans 2027 guide and gives you a checklist to work through with your own plan’s notice in hand. For premium figures in more detail, see our Medicare Part D premium 2027 page.
Key Takeaways
- Your plan had to mail its 2027 Annual Notice of Change (ANOC) by September 30, 2026.
- Check five items: premium, deductible, drug coverage and tiers, pharmacy network, and whether the plan itself continues.
- KFF found no $0-premium standalone drug plans for people without Extra Help in 2027.
- Some plans are leaving regions for 2027, so your current plan may not be offered where you live.
- Changes you make by December 7, 2026 take effect January 1, 2027.
The 2027 Rule Changes That Reach All Part D Enrollees
Start with the federal changes, because they set the frame your plan works inside. These numbers come from CMS and apply to standalone drug plans and to Medicare Advantage plans that include drug coverage.
| What Medicare sets | 2026 | 2027 |
|---|---|---|
| Maximum standard deductible | $615 | $700 |
| Out-of-pocket cap on covered drugs | $2,100 | $2,400 |
| Base beneficiary premium (used for penalties) | $38.99 | $41.33 |
| Premium Stabilization Demonstration | In place | Ended |
| Drugs with Medicare negotiated prices | 10 | 25 (15 added Jan 1, 2027) |
Source: CMS 2027 Part D parameters and drug price negotiation announcements. Your plan’s own deductible can be lower than the maximum.
The demonstration ending is the change people tend to miss. It had trimmed standalone plan premiums by $10 a month and limited yearly increases to $50. Without it, plans are free to pass more of their costs through to premiums for 2027.
Where to Find Your Plan's Changes in the Annual Notice of Change
Your Annual Notice of Change is a short booklet that compares this year’s benefits with next year’s.
1
Find the summary of important costs. This table near the front shows 2026 and 2027 side by side for the premium, deductible and cost sharing.
2
Read the drug coverage section. It lists drugs that are being removed, drugs changing tiers, and new limits such as prior authorization.
3
Check the pharmacy section. It says whether the preferred or standard network is changing.
4
Look for a plan status notice. If your plan is ending or being merged into another plan from the same company, the notice says so and explains what happens next.
Checklist Part 1: Premium, Deductible and Copays
Write these down from your notice
✔
Your 2026 monthly premium and your 2027 monthly premium
✔
Your 2027 deductible and which drug tiers it applies to
✔
The copay or coinsurance for each tier you use, at a preferred and a standard pharmacy
✔
Whether your mail-order price changed
✔
Any IRMAA income surcharge you pay, which is billed separately by Social Security
Heads up on $0 premiums: KFF’s review of 2027 standalone drug plans found none with a $0 premium for people who do not get Extra Help, while about 4 million such enrollees paid no premium in 2026. If you had a $0 plan, expect a bill in 2027 unless your notice says otherwise.
KFF also reported that the Medicare Rx Preferred from UHC plan rises by $50 or more a month in all 50 states and DC. Increases at other companies vary by plan and region, so read your own figures rather than relying on headlines.
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Checklist Part 2: Your Drugs and Your Pharmacy
Go through each prescription
✔
Is the drug still on the 2027 formulary, and at the same strength and form?
✔
Did it move to a higher tier, which usually means a higher copay?
✔
Is there a new prior authorization, step therapy or quantity limit?
✔
Is your usual pharmacy still in network, and is it still preferred?
✔
Is the drug one of the 15 with a new negotiated price in 2027, such as Ozempic, Trelegy Ellipta or Xtandi?
A tier change can cost more than a premium change. Under the standard design you pay 25% coinsurance after the deductible, but many plans use flat copays by tier instead, and a jump from a preferred-brand tier to a non-preferred tier can double the copay, depending on the plan. Our Medicare Part D formulary 2027 guide explains how tiers and drug lists work.
If a drug is dropped: plans generally must give current members a temporary transition supply early in the new year when a drug they take is removed or restricted. That buys time to ask your doctor about an alternative or to request a formulary exception, but it is not permanent coverage.
Checklist Part 3: Is Your Plan Leaving or Shrinking for 2027?
The standalone market is getting smaller. In our count of CMS 2027 plan filings there are 323 standalone PDP bids from 15 sponsors, with 7 to 12 plans per state. Medicare Plan Finder counts can differ slightly from ours. KFF counted 316 plans for 2027, down from 360 in 2026, and 15 parent companies, down from 17.
22 regions
where HealthSpring Extra Rx is being withdrawn for 2027 (KFF)
13 regions
where SilverScript Choice is being withdrawn for 2027 (KFF)
20 regions
where SilverScript Choice still appears in our count of CMS 2027 filings
If your plan is ending, your notice will say whether you are being moved into another plan from the same company or need to choose a new one. A plan ending usually gives you extra time to pick a new plan; our Part D special enrollment period 2027 page covers those rules.
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Our Math: What Each Change Costs Over a Full Year
A change that looks small on a monthly line can add up. We turned common notice items into yearly dollar amounts using the CMS 2027 parameters. Premium and copay changes are examples, not quotes for any plan.
| Change in your notice | How to price it for 2027 | Yearly effect |
|---|---|---|
| Premium up $15 a month | $15 x 12 | +$180 |
| Premium up $50 a month | $50 x 12 | +$600 |
| Deductible from $615 to $700 | $85 more at full price, minus the 25% you would have paid on it anyway | About +$64 |
| Cap from $2,100 to $2,400 | Only if you reached the 2026 cap | Up to +$300 |
| Drug copay from $47 to $100 a month | $53 x 12, until the cap | Up to +$636 |
Our calculation from CMS 2027 standard-benefit parameters. The $64 figure assumes 25% coinsurance after the deductible; plans with copays differ. Premiums never count toward the $2,400 cap.
After the Checklist: Stay or Shop
Staying may make sense if
✔
Every drug is still covered at a similar tier
✔
Your pharmacy stays preferred
✔
The premium change is small
✔
Your plan is not leaving your area
Shopping may make sense if
✔
A drug was dropped or moved up a tier
✔
The premium jumped $30 or more a month
✔
Your plan is withdrawing from your region
✔
Your pharmacy left the preferred network
To shop, enter your exact drugs and pharmacy on Medicare Plan Finder or with a licensed agent and compare the estimated yearly cost, not just the premium. Our Part D plans by state for 2027 page shows which companies file plans where you live, and the Part D open enrollment 2027 guide has the key dates.
The Bottom Line
The Bottom Line
Medicare’s 2027 Part D rules move the deductible to $700 and the cap to $2,400, but the change you feel most may come from your own plan’s premium, drug list or exit. Take your Annual Notice of Change, work through each checklist item and price the changes over a full year before December 7, 2026.
We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE (TTY 1-877-486-2048) to get information on all of your options.
Frequently Asked Questions
➤ What are the main Medicare Part D changes for 2027?
The maximum deductible rises to $700, the out-of-pocket cap rises to $2,400, the base premium rises to $41.33, and the premium demonstration that held down standalone plan prices has ended. Fifteen more drugs also get Medicare negotiated prices on January 1, 2027.
➤ What is an Annual Notice of Change?
It is a notice your current plan must send by September 30 that compares your 2026 and 2027 benefits. It covers premiums, the deductible, copays, drug coverage and pharmacy changes.
➤ What if I never got my Annual Notice of Change?
Check your plan’s member website, where it is usually posted, or call the number on your member card and ask for a copy. You can also review the plan’s 2027 details on Medicare Plan Finder.
➤ Will my Part D plan automatically renew for 2027?
In most cases, yes, if the plan is still offered in your area. If it is ending, your notice will explain whether you are moved to another plan from the same company or need to choose a new plan.
➤ Can my plan drop one of my drugs for 2027?
Yes. Plans can change their drug lists between years. If a drug you take is removed, you may get a short transition supply, and you can ask for an exception or switch plans during open enrollment.
➤ Why is my 2027 premium so much higher?
Drug plan costs rose, and the federal demonstration that cut standalone premiums and capped increases at $50 ended after 2026. How much your premium changes depends on the plan and area.
➤ Do I have to do anything if my plan has no big changes?
No. If your drugs, pharmacy and costs still work for you, your coverage generally continues on January 1, 2027 without any action.
➤ How do I know if a new negotiated drug price helps me?
Check whether your drug is on the 2027 list of 15, such as Ozempic, Trelegy Ellipta or Linzess. Lower list prices can lower coinsurance, but your copay depends on how your plan covers the drug.
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