The 2026 Medicare cost letters landed in November, and most beneficiaries scanned for one number: the new Part B premium. They missed the line that can actually do the most damage. The Part A hospital deductible resets with each new benefit period. A reader who lands in the hospital in February and again in November can owe it twice in the same calendar year. At $1,736 per benefit period in 2026, a pair of hospitalizations can trigger thousands of dollars in costs before daily coinsurance even begins.
Here are five 2026 Medicare cost changes worth paying attention to. The Social Security cost-of-living adjustment came in at 2.8% for 2026, making these increases an important part of the retirement-income equation.
1. Part B Standard Premium: $202.90, Up From $185.00
The standard monthly Part B premium rose to $202.90 in 2026, an increase of $17.90 from $185.00 in 2025. That is the largest dollar jump in years and the number every beneficiary sees first because it gets deducted straight from the Social Security check. CMS attributes the increase to projected price changes and assumed utilization increases, partly offset by a 2026 Physician Fee Schedule rule that cut projected skin-substitute spending.
High earners feel it more. The first IRMAA tier kicks in above $109,000 for single filers and $218,000 for joint filers. Under 10% of beneficiaries pay any IRMAA at all, so a reader well below those thresholds can stop worrying about Part B surcharges.
2. Part B Annual Deductible: $283, Up From $257
The Part B deductible climbed to $283 in 2026, an increase of $26 from the annual deductible of $257 in 2025. After that, traditional Medicare pays 80% and the beneficiary (or their Medigap plan) covers the rest. A Plan G holder will absorb this once and then have near-zero cost sharing for the rest of the year. Anyone on Original Medicare without a supplement keeps paying 20% of every covered service with no ceiling.
3. Skilled Nursing Facility Coinsurance: $217 Per Day
For a SNF stay following a qualifying inpatient hospitalization, Medicare covers days 1 through 20 in full. Days 21 through 100 carry a daily coinsurance of $217.00 in 2026 ($209.50 in 2025). A full 80-day stay at the new rate runs $17,360 out of pocket before Medicare stops paying entirely on day 101. This is the line where families learn, often too late, that Medicare is not long-term care insurance.
4. Part D Out-of-Pocket Cap: $2,100 (The Good News)
This one is structural good news. The Part D annual out-of-pocket drug spending cap moved to $2,100 in 2026, up $100 from $2,000 in 2025. Once a beneficiary hits that ceiling, covered prescription drugs cost $0 for the rest of the year. For anyone on a specialty drug that used to push catastrophic spending into five figures, this cap is the most consequential rule change Medicare has made in years.
5. Part A Hospital Deductible: $1,736 Per Benefit Period
The 2026 inpatient hospital deductible is $1,736, an increase of $60 from $1,676 in 2025. It covers the first 60 days of inpatient care within a benefit period. Days 61 through 90 carry coinsurance of $434 per day, up from $419 in 2025. While many beneficiaries focus on the monthly Part B premium, a hospitalization can expose someone on Original Medicare to far larger costs in a very short period of time.
The trap is the phrase benefit period. A benefit period starts the day a beneficiary is admitted as an inpatient and ends only after they have been out of the hospital and out of skilled nursing care for 60 consecutive days. A new admission after that 60-day clearance starts a brand-new benefit period, with a brand-new $1,736 deductible. Two unrelated hospitalizations in the same calendar year, separated by a clean 60-day window, mean $1,736 owed twice. Medigap Plan G covers the Part A deductible in full. Original Medicare without a supplement does not.
What to Do Before Year-End
Three actions matter for beneficiaries on Original Medicare without a Medigap policy. First, price Plan G coverage in your ZIP code while it is still available to you, because a $1,736 Part A deductible per benefit period can become expensive quickly after a hospitalization. Second, re-shop your Part D plan during every open enrollment period. The $2,100 out-of-pocket cap provides important protection, but formularies, pharmacy networks, and premiums can still change from year to year. Third, if your 2024 income exceeded $109,000 as a single filer or $218,000 as a joint filer, be prepared for a 2026 IRMAA surcharge, since Medicare premiums are based on a two-year income lookback.
Source: CMS, “2026 Medicare Parts A & B Premiums and Deductibles,” released November 14, 2025. Figures reflect 2026 plan year rules.
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