How Medicare Part D is changing in 2027

What's changing for Medicare Part D in 2027?

UnitedHealthcare wants you to be aware of industry-wide changes to Medicare Part D prescription drug coverage in 2027. With 50 years of experience, we understand that Medicare coverage is personal and changes to your coverage can affect your life. You can count on UnitedHealthcare to provide reliable Medicare Advantage coverage and support every step of the way.

Maximum out-of-pocket drug cost

Every year, the federal government sets a cost limit for the out-of-pocket maximum for a Medicare Part D prescription drug plan. In 2027 it's $2,400.

Part D prescription drug deductible

The federal government also sets a Part D prescription drug deductible amount each year. In 2027 that amount is $700.

Why it's important to review your prescriptions for 2027

Medicare drug plans can change each year. Before enrolling in a plan or your coverage renews, check the plan's covered drug list to make sure your medications are covered and to understand your costs.

For 2027, some medications may:

Move to a different drug tier
Be added to or removed from a plan's covered drug list
Cost more or less than they did before
Require prior authorization
Have quantity limits or other coverage requirements

You can also use the Drug Cost Estimator to estimate what you may pay for covered Part D prescription drugs.

Here's what you need to know

In 2027, the out-of-pocket limit for drug costs is $2,400.

Learn more

If you have Medicare Part D coverage, your out-of-pocket maximum for covered prescription drugs is $2,400 in 2027. Your premiums, copays, coinsurance or deductibles may be different compared to what you paid previously. Costs can change from year to year, so always review your new plan documents.

Use our Drug Cost Estimator to see what your Part D covered prescription drugs may cost with a UnitedHealthcare Part D plan. You can view a month-to-month explanation of those potential costs and plan for your prescription drug costs for the year.

What to know about
Medicare Part D prescription drug deductibles in 2026

Find the right Medicare plan for all your plans

Watch What you need to know about 2026 Medicare Part D prescription drug deductibles

Your Medicare prescription drug costs may be changing in 2026. Here’s what you need to know. Due to industry-wide trends in Medicare drug coverage, deductibles are becoming more common in Medicare Part D plans.

What is a Medicare Part D prescription drug deductible? Let’s discuss. A deductible is the amount that you or others on your behalf pay toward your Medicare Part D prescription drugs before Medicare or other insurance starts to pay. The deductible only needs to be met once per plan year and may only apply to certain prescription drug tiers.

Let’s walk through an example with a Tier 3 drug. Let’s say your plan has a prescription drug deductible of $400 for drugs in Tiers 3, 4, and 5, and 20% coinsurance for Tier 3 drugs. Then, let’s say you need to fill your Tier 3 drug that costs $600.

Your first prescription fill of the year could look something like this: Because your drug cost is higher than the deductible, you’ll owe the full $400 deductible amount. At this point, there’s a $200 drug cost remaining.

Once you reach the deductible amount, you’ll enter the Initial Coverage stage. In this stage, you’ll begin to pay your plan’s cost-shares, including copays and coinsurance. Of the $200 remaining drug cost, you’ll pay 20% coinsurance, which is $40. Your plan will pay the remaining $160. This means you’ll owe $440 for your Tier 3 drug.

Now, let’s review what your second prescription drug fill of the year could look like. Because your deductible has already been met, you’re still in the Initial Coverage stage. So, with a $600 drug, your coinsurance payment will be $120 (20% of $600 is $120). The plan pays the remaining cost of $480.

You’ll remain in the Initial Coverage stage until you reach the plan’s out-of-pocket maximum. At this point, you’ll pay $0 for covered Part D drugs for the remainder of the year. If you have a deductible, this amount can be found in your Evidence of Coverage document. Keep in mind, deductible amounts can change each year. It’s important to review your Annual Notice of Changes, sent in September, to know what to expect in the next plan year.

You can count on UnitedHealthcare to provide you with reliable Medicare information and support every step of the way. For more information on Medicare Part D, visit uhc.com/medicare.

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Additional resources and materials

Explore articles for more in-depth information about Medicare Part D, so you can make confident decisions about your health insurance coverage.

How Medicare Extra Help may lower prescription drug costs

View info

Understanding Medicare Part D deductibles

Understanding coinsurance

Learn more

Copay vs. Coinsurance: Understanding 2027 Medicare Part D Cost Changes

Watch Copay vs. coinsurance: Understanding 2026 Medicare Part D cost changes

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Medicare beneficiaries with Part D prescription drug coverage may notice changes to their costs in 2026.

Since the Inflation Reduction Act took effect in 2025, many Medicare Advantage and Part D plans

have moved from copays to coinsurance for drugs.

So, let's walk through the differences. A copay is a flat amount you pay for a covered drug.

Coinsurance is a percentage you pay of the total cost of a covered drug.

For example, if a drug costs $100 and has a 25% coinsurance, you would pay $25

and the plan pays $75.

Your plan may have a deductible on certain drugs. Copays and coinsurance will apply

after the deductible is met.

The tier your drug is in will determine if you have a copay or a coinsurance.

Copays are often applied to drugs in Tiers 1 and 2.

Coinsurance is commonly found on drugs in Tiers 3, 4 and 5.

Let's look at an example of coinsurance. Imagine you need to fill a Tier 3 drug that costs $800

and has a coinsurance of 20%. Then, let's say your plan has a drug deductible of $615.

Your first fill of the year would look like this. Because your drug cost is higher than the deductible amount,

you'll owe the full $615. After you meet the deductible, there's $185 in drug cost remaining

(800 minus 615 is $185).

Of the remaining $185, you pay 20% coinsurance, which is $37. Then, your plan pays the rest.

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This means that you will owe $652 for your first prescription fill.

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Because you've already met the deductible for the year, your second fill will have a coinsurance cost of $160

and your plan will pay the remainder of $640.

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Drug costs may fluctuate from one day to the next and vary depending on the pharmacy.

So, your coinsurance amount may be slightly different with each fill.

Once you reach the $2,100 maximum out-of-pocket amount in 2026, you'll pay $0 for Medicare-covered
Part D prescriptions for the rest of the year.

To find out if your plan has coinsurance and what you may pay, review your 2026 plan materials,

visit your member site or use the plan's app.

As a UnitedHealthcare member, you can estimate your drug costs online so you feel confident about your coverage.

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You can count on UnitedHealthcare to provide you with reliable Medicare information and support

every step of the way.

For more information on Medicare Part D, visit uhc.com/medicare.

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Medicare Part D changes

What's changing for Medicare Part D in 2027?

Maximum out-of-pocket drug cost

Part D prescription drug deductible

Why it's important to review your prescriptions for 2027

Here's what you need to know

What to know about
Medicare Part D prescription drug deductibles in 2026

Find the right Medicare plan for all your plans

Additional resources and materials

How Medicare Extra Help may lower prescription drug costs

Understanding Medicare Part D deductibles

Understanding coinsurance

Copay vs. Coinsurance: Understanding 2027 Medicare Part D Cost Changes

Chat with UnitedHealthcare

Already a member?

Find a plan

Meet with us

Make an appointment with a licensed insurance agent in your area.

Questions?

Medicare Part D changes

What's changing for Medicare Part D in 2027?

Maximum out-of-pocket drug cost

Part D prescription drug deductible

Why it's important to review your prescriptions for 2027

Here's what you need to know

New out-of-pocket maximum

How recent changes may affect Medicare members

Estimate your drug costs

What to know about Medicare Part D prescription drug deductibles in 2026

Find the right Medicare plan for all your plans

Additional resources and materials

How Medicare Extra Help may lower prescription drug costs

Understanding Medicare Part D deductibles

Understanding coinsurance

Copay vs. Coinsurance: Understanding 2027 Medicare Part D Cost Changes

Chat with UnitedHealthcare

Already a member?

Find a plan

Meet with us

Make an appointment with a licensed insurance agent in your area.

What to know about
Medicare Part D prescription drug deductibles in 2026