What's Changing in Your Parent's Medicare for 2026 (and How to Lower the Bill)

The envelope shows up in early fall, the way it does every year. Rachel finds it on her dad's kitchen counter under a stack of coupon flyers: the thick "Medicare & You" booklet, plus a notice that his Part B premium is going up again. Walt waves it off. He has been on the same drug plan for six years and sees no reason to touch it. So one Sunday Rachel opens her laptop at his table, pulls up his list of pills, and starts comparing. What she finds over the next half hour is the difference between her dad overpaying for another year and a plan that fits the way his costs have actually changed. The 2026 Medicare changes are not loud, but a few of them move real money, and one of them has a hard deadline. Here is what Rachel had to learn, and what any family can do about it.

If nobody has sat down and walked you through the 2026 changes, that is normal. Most of it is buried in fine print no one reads until a bill shows up. The handful below are the ones that change what a parent pays, and a couple of them you have to act on before December 7. Let me take them one at a time, with the exact thing to do about each.

Why did the Part B premium cross $200?

The notice on Walt's counter was about Part B, the part that covers doctor visits, lab work, outpatient care, and durable medical equipment. The standard premium is now $202.90 a month, up from $185 in 2025.¹ It comes straight out of the Social Security check, so it is easy to miss unless someone looks at the monthly benefit statement, which is exactly why Walt had not noticed the climb.

The cost adds up fast. A couple both on Medicare now pays $405.80 a month for Part B alone, or $4,869.60 a year, before either of them sees a single doctor. Higher earners pay more. An individual with modified adjusted gross income above $109,000, or a couple above $218,000, pays income-related surcharges that can push the premium to as much as $689.90 a month.⁴

What to do: Pull your parent's 2024 tax return, since that is the year Medicare uses to set the 2026 surcharge. If their income looked artificially high that year because of a one-time event, like selling a house or taking a required minimum distribution from a retirement account, they can appeal. The income-related surcharge appeal, filed on Form SSA-44, asks for a lower premium based on current income.⁵ It is free, takes about 30 minutes, and can save hundreds a month. Walt's income was steady, so this one did not apply to him, but it is the first thing to rule out.

What does the new $2,100 Part D cap actually do?

This is the biggest structural change to Medicare drug coverage since Part D launched in 2006. Starting in 2026, no Medicare beneficiary pays more than $2,100 out of pocket for prescription drugs in a calendar year.² Once your parent hits that cap, the plan covers 100% of their remaining drug costs for the rest of the year.⁶

Before this cap, a parent on expensive medication could face bills of $10,000 or more a year in the so-called catastrophic phase. That exposure is gone. For Walt, who takes a couple of brand-name drugs, this was the line that changed his math.

Before this cap, a parent on expensive medication could face bills of $10,000 or more a year. That exposure is gone.

The cap changes which Part D plan makes sense. A plan with a higher monthly premium but better formulary coverage may now be worth it, since total out-of-pocket spending caps out anyway. The reverse holds too. If your parent takes only generics that run about $600 a year, a low-premium plan is still the right call.

What to do: During open enrollment, October 15 to December 7, use the Medicare Plan Finder at medicare.gov to compare plans. Enter every medication your parent takes, including dosages. The tool adds up estimated annual cost, premiums and copays together. Do this every year, because plans change their formularies annually, and last year's cheapest plan may not be cheapest this year. This is the step Walt had skipped for six years running.

Which drugs did Medicare negotiate, and does it help your parent?

The Inflation Reduction Act let Medicare negotiate prices directly for certain high-cost drugs. The first 10 negotiated prices took effect on January 1, 2026, and the list includes blood thinners like Eliquis and Xarelto and diabetes medications like Jardiance and Januvia that many older patients take daily.³ The lower prices apply at the pharmacy counter, so a parent does not have to do anything special to get them.

The effect is real but narrow. Only 10 drugs are in this first round. A second round of 15 more takes effect in 2027.⁷ If your parent takes a brand-name drug that is not on the negotiated list yet, the plan's standard copay or coinsurance still applies. One of Walt's drugs was on the list, which knocked a real chunk off his counter price.

What to do: Ask the pharmacist whether any of your parent's medications are on the 2026 negotiated price list. If they are, check that the enrolled plan is passing the savings through correctly. It is not always automatic.

Is there a new prior authorization step where your parent lives?

Medicare is testing a new prior authorization process in six states, Florida, Texas, Ohio, California, New York, and Pennsylvania, for certain outpatient procedures and imaging studies. In those states, some services that used to need only a doctor's order now need advance approval from the plan before the service happens.

This does not mean the service gets denied. It means there is a new administrative step, and if the prior authorization is not obtained, your parent could be on the hook for the full cost. That is a bill no family wants to find out about after the fact.

What to do: If your parent is in one of these six states with a procedure or imaging study scheduled, confirm with the doctor's office that prior authorization has been submitted and approved before the appointment. Call and verify. Write down the authorization number.

How much do the new Alzheimer's drugs cost under Medicare?

Two FDA-approved Alzheimer's treatments, lecanemab (Leqembi) and donanemab (Kisunla), are now covered under Medicare Part B. These are infusion therapies given in a clinic, not pills from a pharmacy. The annual cost runs from $26,500 to $32,000 before insurance.

Medicare covers 80% of Part B services after the annual deductible, which is $283 in 2026.¹ That means a parent's 20% coinsurance for one of these drugs could reach $5,300 to $6,400 a year. A Medigap supplemental policy (Plans C, F, or G) would cover most or all of that coinsurance. Medicare Advantage plans vary.

These drugs are for early-stage Alzheimer's. They slow cognitive decline; they do not reverse it. To qualify, a parent needs confirmed amyloid plaques, shown by a PET scan or spinal fluid analysis, plus a diagnosis of mild cognitive impairment or mild Alzheimer's dementia.

What to do: If your parent has an early-stage Alzheimer's diagnosis and the neurologist has not brought up these medications, ask directly. Not every provider knows the coverage details or the eligibility criteria. If a parent qualifies, check whether their current coverage, Original Medicare plus Medigap or Medicare Advantage, keeps the out-of-pocket cost down.

What should you do before the December 7 deadline?

Open enrollment runs October 15 to December 7. That window is the one time each year your parent can change their Part D drug plan, switch between Original Medicare and Medicare Advantage, or add or drop Medigap coverage (with some restrictions). Whatever is decided in that window takes effect January 1.

The plan that worked last year may cost more this year, cover fewer drugs, or drop a preferred pharmacy. Here are the three moves worth making before the deadline:

1. Run the current Part D plan through the Plan Finder at medicare.gov with your parent's full medication list, and compare it against at least two alternatives.
2. Confirm the preferred pharmacy and all regular prescriptions are still on the plan's 2026 formulary.
3. If anything looks off, call the State Health Insurance Assistance Program (SHIP) for free one-on-one counseling, available in every state.

Thirty minutes on medicare.gov, or one call to SHIP, can save a family hundreds or thousands of dollars. The deadline does not move, so the work has to happen before December 7.

Frequently Asked Questions

How much is the Medicare Part B premium in 2026?

The standard Part B premium is $202.90 a month in 2026, up from $185 in 2025. Higher earners pay income-related surcharges on top of that, which can run as high as $689.90 a month.¹

What is the 2026 Part D out-of-pocket cap?

In 2026, no Medicare beneficiary pays more than $2,100 out of pocket for prescription drugs in a calendar year, up from $2,000 in 2025. Once that cap is reached, the plan covers 100% of remaining drug costs for the rest of the year.²

When is Medicare open enrollment in 2026?

Open enrollment runs October 15 to December 7. Changes made in that window, to a Part D plan, Medicare Advantage, or Medigap, take effect January 1. After December 7, most beneficiaries are locked into their choices for the year.

Can a parent appeal a high Medicare premium?

Yes. If the income-related surcharge is based on a year with a one-time spike, like selling a house, your parent can file Form SSA-44 to ask for a lower premium based on current income. It is free and takes about 30 minutes.⁵

Rachel never did talk her dad into anything fancy. What that half hour at the kitchen table turned up was simpler: one of Walt's brand-name drugs was now on the negotiated list, and a different Part D plan covered his others for less while keeping his pharmacy down the street. She switched him before December 7. The next month's counter price was lower, and the new $2,100 ceiling meant the worst case was finally a number he could see. The booklet went back under the coupon flyers, but the plan, for once, fit.

Related from Aging Parent Care

• Medicare Telehealth for Aging Parents
• Caregiving Financial Help for Lower-Income Families
• The Medicaid Cliff Is Coming

Sources

1. Centers for Medicare and Medicaid Services. "CMS Releases 2026 Medicare Parts B and D Premiums and Cost Sharing." cms.gov
2. National Council on Aging. "What You'll Pay in Out-of-Pocket Medicare Costs in 2026." ncoa.org
3. Center for Medicare Advocacy. "Medicare Announces Results of First Round of Historic Drug Price Negotiations, Effective 2026." medicareadvocacy.org
4. Center for Medicare Advocacy. "2026 Medicare Parts A & B Premiums and Deductibles." medicareadvocacy.org/2026-medicare-rates
5. Social Security Administration. "SSA-44: Medicare Income-Related Monthly Adjustment Amount." ssa.gov/forms/ssa-44.pdf
6. National Council on Aging. "What You'll Pay in Out-of-Pocket Medicare Costs in 2026" (Part D catastrophic coverage). ncoa.org
7. KFF. "Key Facts About Medicare Drug Price Negotiation." kff.org

This content is for educational and informational purposes only. It is not a substitute for professional medical, legal, or financial advice. Always consult qualified healthcare providers, attorneys, or financial advisors for guidance specific to your situation. Statistics and policy details cited were accurate at the time of publication and may have changed.

© 2026 Aging Parent Care. All rights reserved. No portion of this article may be reproduced, distributed, or used in any form without the explicit written permission of Aging Parent Care.

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