Medicare 2026: What's Changing in Costs, Coverage, and Drug Plans

If you've been on Medicare for a few years, you know the drill: every fall, plans change, premiums shift, and you're expected to sort through a stack of paperwork to figure out whether your coverage still makes sense. But 2026 is different. This year brings some of the most consequential Medicare changes in the program's 60-year history, driven largely by the Inflation Reduction Act's drug pricing provisions and a wave of Medicare Advantage plan restructuring that is reshaping what millions of beneficiaries actually receive. Understanding these changes isn't optional — it's the difference between paying hundreds or thousands more than you need to, or getting caught off guard at the pharmacy counter.

Let's start with the biggest news: the $2,000 out-of-pocket cap on Medicare Part D prescription drug costs. Beginning in 2026, no Medicare beneficiary enrolled in a Part D plan — whether standalone or bundled inside a Medicare Advantage plan — will pay more than $2,000 per year for covered prescription drugs. This is a seismic shift. Before this cap existed, catastrophic drug costs could run $3,500, $5,000, or more annually for people on specialty medications for cancer, rheumatoid arthritis, multiple sclerosis, or other serious conditions. The cap applies to all cost-sharing you pay at the pharmacy: deductibles, copays, and coinsurance all count toward the $2,000 ceiling. Once you hit it, your covered drugs cost you nothing for the rest of the calendar year. For the roughly 1.5 million Medicare beneficiaries who previously reached catastrophic coverage thresholds each year, this change may translate into thousands of dollars in annual savings.

Alongside the cap, 2026 also introduces the Medicare Prescription Payment Plan, sometimes called the smoothing program. This voluntary option lets you spread your out-of-pocket drug costs across monthly installments throughout the year rather than paying large lump sums in January or February when deductibles reset. If you take an expensive specialty drug and typically face a $600 or $800 hit in the first weeks of the year, this program allows you to divide that burden into smaller monthly payments. You enroll through your Part D plan directly — contact your insurer or log into your plan's member portal to opt in. It does not reduce what you owe overall, but it can make cash flow significantly more manageable for people on fixed incomes.

Now for the less cheerful news. Medicare Part B — which covers doctor visits, outpatient care, and most non-drug medical services — has a higher standard monthly premium in 2026. The standard Part B premium is $185.00 per month in 2026, up from $174.70 in 2025. The annual Part B deductible is $257 in 2026, compared to $240 in 2025. These increases affect nearly all Medicare beneficiaries, since Part B enrollment is essentially universal for people on Medicare. If you receive Social Security benefits, your Part B premium is automatically deducted from your monthly check, so you may notice a slightly smaller deposit starting in January 2026. Higher-income beneficiaries pay more through Income-Related Monthly Adjustment Amounts, known as IRMAA. In 2026, individuals with modified adjusted gross income above $106,000 (or $212,000 for married couples filing jointly) pay surcharges ranging from roughly $74 to $443 per month on top of the standard premium. If your income dropped significantly in 2024 or 2025 due to retirement, a one-time distribution, or another life event, you can appeal your IRMAA determination using IRS Form SSA-44 — many beneficiaries don't realize this option exists and overpay as a result.

Medicare Advantage plans — the private insurance alternative to Original Medicare that now covers more than half of all Medicare beneficiaries — are undergoing significant restructuring in 2026. After years of aggressive benefit expansion fueled by generous federal payments, many major insurers including UnitedHealthcare, Humana, and CVS Health's Aetna have pulled back. Across the country, plans have reduced or eliminated supplemental benefits like dental allowances, vision hardware credits, over-the-counter product cards, and fitness memberships that became selling points during the enrollment boom of the early 2020s. In 2026, the average Medicare Advantage plan offers fewer extra benefits than it did in 2024, and some plans have increased cost-sharing for specialist visits, outpatient procedures, and urgent care. If you stayed in the same Advantage plan without reviewing your Annual Notice of Change — the document your insurer was required to mail you by September 30, 2025 — you may be in a plan with meaningfully different benefits than you had last year. It's worth pulling that document out now and comparing it against what you actually used in 2025.

For beneficiaries considering a switch, the Open Enrollment Period for Medicare Advantage runs January 1 through March 31 each year. During this window, you can switch from one Medicare Advantage plan to another, or drop your Advantage plan entirely and return to Original Medicare (with or without a standalone Part D plan). You cannot use this period to enroll in Medicare Advantage for the first time if you're currently in Original Medicare — that opportunity comes during the Annual Enrollment Period each fall, October 15 through December 7. If you made a plan change during last fall's AEP and are unhappy with your new plan, the January–March OEP is your chance to course-correct. Changes made during the OEP take effect the first day of the following month.

One area where 2026 brings genuine improvement for Advantage enrollees is in prior authorization oversight. Following CMS rules that took effect in 2024 and are being enforced more rigorously in 2026, Medicare Advantage plans are required to make prior authorization decisions for standard requests within 7 calendar days, and for urgent requests within 72 hours. Plans must also provide specific clinical reasons when denying a prior authorization request, and those denials must be reviewed by a physician with relevant expertise. If your Advantage plan denies a service you believe is medically necessary, you have the right to appeal — and the right to request an expedited appeal if your health situation is urgent. CMS has increased its audit activity around prior authorization compliance, so plans are under greater scrutiny than in prior years.

For beneficiaries who have Original Medicare plus a Medigap supplemental policy, the 2026 changes are somewhat less disruptive — your Medigap plan covers the gaps in Original Medicare (like the Part B coinsurance and hospital deductibles) regardless of what happens to Advantage plan benefits. However, Medigap premiums vary widely by insurer and can increase annually. If you've had the same Medigap policy for several years, it's worth getting comparison quotes — in most states, switching Medigap plans requires medical underwriting, meaning insurers can charge you more or deny coverage based on health history. The exception is if you live in one of the birthday rule states, including California, Oregon, Nevada, Illinois, or several others, where you have a 30-day window around your birthday each year to switch Medigap plans without medical underwriting. Use that window strategically if you're in one of those states and your current premium has crept up.

Finally, low-income beneficiaries should know that the Extra Help program — which subsidizes Part D drug costs — has been expanded. Since 2024, the income threshold for full Extra Help was raised, and in 2026 the program continues to provide full subsidies for individuals with incomes up to about 150% of the federal poverty level (roughly $21,500 for a single person). If you're near that threshold and haven't applied, contact your State Health Insurance Assistance Program (SHIP) counselor — a free, unbiased resource available in every state — or apply directly through the Social Security Administration at ssa.gov. With the new $2,000 drug cap in place, even partial Extra Help may now be less critical for some beneficiaries, but for those on multiple expensive medications, it remains enormously valuable. Review your eligibility every year, since income and program thresholds both change.