8 Medicare Changes Shaping Your Coverage and Costs in 2026

The year 2026 marks one of the most consequential periods for Medicare in decades. Several major policy changes — some stemming from the Inflation Reduction Act of 2022, others from CMS regulatory decisions and market forces — are landing simultaneously, reshaping what beneficiaries pay, which plans are available, and how prescription drugs are covered. Understanding each change individually matters, but understanding how they interact is what will help you make smarter decisions about your coverage this year.

The single biggest change for most Medicare beneficiaries in 2026 is the new $2,000 annual out-of-pocket cap on Part D prescription drug costs. Before this cap existed, there was no ceiling on what you could spend on drugs in a given year under Medicare Part D. Once you cleared the catastrophic coverage threshold, Medicare picked up most costs, but your cumulative out-of-pocket spending could still reach staggering levels for people on specialty medications. Starting in 2026, once you've paid $2,000 out of pocket for covered drugs, your cost-sharing drops to zero for the rest of the calendar year. This cap applies to standalone Part D plans and to Medicare Advantage plans that include drug coverage, known as MA-PD plans. For the roughly 1.5 million beneficiaries who previously spent more than $2,000 annually on drugs, this change can mean thousands of dollars in annual savings. People managing cancer, multiple sclerosis, rheumatoid arthritis, or other conditions requiring specialty medications are likely to feel the most immediate relief, and the savings can be substantial — some specialty drugs carry monthly list prices exceeding $5,000.

Closely connected to the $2,000 cap is the Medicare Prescription Payment Plan, a new option that lets Part D enrollees smooth out their drug costs across the calendar year rather than absorbing large charges all at once. Here is how it works in practice: instead of paying $600 at the pharmacy counter in January for a specialty drug, you can opt into this program and have that cost spread across your remaining monthly premium payments for the year. The total amount you owe does not change — you are not receiving a discount — but the cash-flow impact is significantly reduced. This is particularly valuable for beneficiaries on fixed incomes who might otherwise skip doses or delay refills because of a large upfront cost in the first weeks of January, before the calendar-year cap has had any chance to accumulate. You must actively enroll in this program through your Part D plan; it does not happen automatically. Contact your plan directly or visit Medicare.gov to find out how to opt in, and note that enrollment is available at the start of each plan year or when you first join a plan.

Medicare Advantage is undergoing a significant contraction in 2026, and beneficiaries enrolled in these plans need to pay close attention. Several large insurers — including UnitedHealthcare and Humana — announced reductions in their Medicare Advantage footprints, exiting certain counties and states, trimming supplemental benefits like dental, vision, and hearing, and raising cost-sharing in plans they are retaining. CMS data shows that the average Medicare Advantage plan in 2026 offers fewer extra benefits than in 2025, reversing a years-long trend of expanding perks that had made these plans attractive to millions of enrollees. If you received a notice that your plan is being discontinued or that your benefits are changing substantially, you may have qualified for a Special Enrollment Period allowing you to switch plans outside the standard Annual Enrollment Period window of October 15 through December 7. If you missed that window, the Open Enrollment Period running January 1 through March 31 allows Medicare Advantage enrollees to switch to a different MA plan or return to Original Medicare — but only once during that window, and changes take effect the first of the following month.

For beneficiaries returning to Original Medicare from Medicare Advantage, the question of Medigap — also called Medicare Supplement insurance — becomes urgent. In most states, if you are past your initial Medigap open enrollment window, which is the six months starting when you first enroll in Part B at age 65, insurers can use medical underwriting to deny you coverage or charge higher premiums based on your health history. However, if your Medicare Advantage plan was discontinued or you involuntarily lost coverage, you may have a guaranteed issue right that requires insurers to sell you a Medigap policy without medical underwriting. These rights are time-sensitive — typically lasting 63 days from the date your prior coverage ends — so acting quickly is essential. Residents of California, Idaho, Illinois, Kentucky, Louisiana, Maine, Maryland, Missouri, Nevada, New Jersey, New York, Oklahoma, and Oregon benefit from a birthday rule that gives them a 30-day window each year around their birthday to switch Medigap plans without underwriting, regardless of health status. If you live in one of these states and your birthday falls in the first half of 2026, this window may be your most practical path to securing better Medigap coverage without a health exam.

CMS also finalized changes to how Medicare Advantage plans are paid in 2026, with risk adjustment model updates that effectively reduce payments to plans for certain enrollee profiles. The practical effect is that plans covering sicker, higher-cost beneficiaries receive somewhat less federal funding than under prior models, which is one reason insurers have been trimming benefits and raising cost-sharing. This is a structural shift, not a one-year anomaly, and it means the era of Medicare Advantage plans competing aggressively on rich supplemental benefits may be giving way to a period of more modest offerings. When comparing plans during any enrollment period, focus less on flashy extras like gym memberships or meal delivery and more on the core cost-sharing structure: deductibles, copays for specialist visits, hospital cost-sharing, and the plan's maximum out-of-pocket limit. In 2026, CMS rules allow Medicare Advantage plans to set their in-network maximum out-of-pocket as high as $9,350 — meaning you could owe nearly $9,400 before the plan covers 100 percent of in-network costs. Knowing that number for your specific plan is not optional; it is the most important figure on your Summary of Benefits.

Part B premiums and the Part B deductible also changed in 2026. The standard Part B monthly premium rose to $185.00, up from $174.70 in 2025 — an increase of $10.30 per month, or $123.60 over the full year. The annual Part B deductible increased to $257, up from $240. Higher-income beneficiaries pay more through Income-Related Monthly Adjustment Amounts, known as IRMAA. In 2026, IRMAA surcharges begin for individuals with modified adjusted gross income above $106,000, or above $212,000 for married couples filing jointly, based on your 2024 tax return. At the highest income tier, the total Part B premium including IRMAA can reach $628.90 per month per person. If your income has dropped significantly since 2024 — due to retirement, the death of a spouse, divorce, or loss of income-producing property — you can appeal your IRMAA determination by filing Form SSA-44 with the Social Security Administration and providing documentation of the qualifying life event. A successful appeal can result in an immediate reduction of your monthly surcharge, sometimes saving hundreds of dollars per month.

Low-income beneficiaries should be aware of updated eligibility thresholds for the Extra Help program, which subsidizes Part D drug costs. In 2026, the full Extra Help subsidy is available to individuals with incomes up to 150 percent of the federal poverty level — approximately $22,590 for a single person, or $30,660 for a married couple. Extra Help eliminates the Part D deductible entirely and caps copays at modest levels: approximately $4.90 for generic drugs and $12.15 for brand-name drugs for full-subsidy recipients in 2026. Critically, the Inflation Reduction Act eliminated the partial Extra Help tier, meaning beneficiaries now either qualify for full Extra Help or they do not — there is no longer a reduced subsidy level that left some people with significant remaining costs. If you are not sure whether you qualify, apply through the Social Security Administration at ssa.gov/extrahelp or call 1-800-772-1213. Enrollment in Extra Help also automatically qualifies you for the Medicare Savings Programs, which can cover your Part B premium of $185.00 per month — a benefit worth $2,220 per year that many eligible beneficiaries never claim because they do not know it exists.

CMS has also increased scrutiny of Medicare Advantage marketing practices in 2026, following years of complaints about misleading television advertisements and aggressive broker tactics that steered beneficiaries into plans that were not appropriate for their medical needs or provider networks. New rules require that marketing materials more clearly disclose plan limitations, network restrictions, and prior authorization requirements. Brokers are now subject to stricter conflict-of-interest disclosure requirements and are prohibited from certain compensation structures that previously incentivized steering. If you believe you were enrolled in a Medicare Advantage plan based on misleading information, you can file a complaint with CMS at 1-800-MEDICARE (1-800-633-4227) or through your State Health Insurance Assistance Program, known as SHIP. SHIP counselors provide free, unbiased help comparing plans and navigating enrollment — they are not insurance agents and receive no commission based on which plan you choose. To find your local SHIP counselor, visit shiphelp.org or call the Medicare helpline. Given the number of plan changes happening simultaneously in 2026, a one-hour conversation with a SHIP counselor before making any coverage decision may be the single most valuable step you can take this year — and it costs you nothing.