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Medicare Costs Guide for 2026

Part B, Part D, IRMAA, deductibles, supplements, and out-of-pocket planning.

For 2026, CMS lists the standard Part B premium at $202.90 and the Part B deductible at $283; Medicare says Part D deductibles cannot exceed $615 and covered Part D out-of-pocket drug costs reach catastrophic coverage at $2,100.

Medicare cost planning needs annual upkeep. For 2026, the key defaults include the standard Part B premium, Part B deductible, Part D deductible ceiling, and Part D covered-drug out-of-pocket threshold.

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Quick answer

For 2026, CMS lists the standard Part B premium at $202.90 and the Part B deductible at $283; Medicare says Part D deductibles cannot exceed $615 and covered Part D out-of-pocket drug costs reach catastrophic coverage at $2,100.

What you are trying to do
Part B, Part D, IRMAA, deductibles, supplements, and out-of-pocket planning.
Best next step
Run Medicare Cost Planner
Limit to remember
Treat this as a practical aid for the task, not a replacement for professional judgment.

Applies To 2026

Medicare is not free, and the monthly premium is only one part of the cost.

A realistic Medicare cost estimate should include premiums, deductibles, copays, coinsurance, prescription drugs, supplemental coverage, income-related adjustments, and worst-case out-of-pocket exposure.

CMS says the 2026 standard monthly Part B premium is $202.90 and the annual Part B deductible is $283.

The Main Medicare Cost Categories

Part A

Part A generally covers inpatient hospital care, skilled nursing facility care, hospice, inpatient rehab, and some home health care services. CMS says about 99% of Medicare beneficiaries do not have a Part A premium because they have at least 40 quarters of Medicare-covered employment.

But Part A can still involve deductibles and coinsurance.

For 2026, Medicare lists a $1,736 inpatient hospital deductible per benefit period and skilled nursing facility cost-sharing of $217 per day for days 21-100.

Part B

Part B covers physician services, outpatient hospital services, certain home health services, durable medical equipment, and other medical services not covered by Part A. CMS lists the 2026 standard Part B premium at $202.90 and deductible at $283.

After the deductible, Medicare generally lists 20% coinsurance for many covered Part B services when assignment applies.

Part D

Part D costs vary by plan. Medicare says no Part D plan may have a deductible over $615 in 2026, and some plans have no deductible.

For covered Part D drugs, Medicare says out-of-pocket spending reaches catastrophic coverage at $2,100 in 2026, after which there is no out-of-pocket cost for covered Part D drugs for the rest of the calendar year.

IRMAA

Higher-income beneficiaries may pay income-related monthly adjustment amounts for Part B and Part D. Medicare 2026 cost publications list Part D income-related adjustment amounts and state that the 2026 Part D national base premium is $38.99, used to estimate the Part D late enrollment penalty and income-related adjustment amounts.

What Families Often Miss

Families often compare Medicare plans by premium only. That is a mistake.

A low premium may still come with:

  • Higher out-of-pocket exposure.
  • Network limits.
  • Prior authorization.
  • Higher drug costs.
  • Pharmacy restrictions.
  • Specialist access issues.
  • Travel limitations.
  • Less flexibility for out-of-network care.

Kefiw Tip: Compare The Bad-Year Cost

Do not only ask: "What is the monthly premium?"

Ask: "What would this plan cost in a bad health year?"

Include:

  • Premiums.
  • Deductibles.
  • Copays.
  • Coinsurance.
  • Drug costs.
  • Out-of-pocket maximums.
  • Non-covered services.
  • Travel or network surprises.

Questions To Ask Before Choosing Coverage

  • Are my doctors in network?
  • Are my hospitals in network?
  • Are my prescriptions covered?
  • What tier are my drugs on?
  • Which pharmacies are preferred?
  • Is prior authorization required?
  • What is the annual out-of-pocket maximum?
  • What happens when I travel?
  • Could IRMAA apply?
  • Do I need Medigap, Medicare Advantage, or Part D review?

Red Flags

  • Choosing only by monthly premium.
  • Not checking prescriptions.
  • Not checking doctors.
  • Ignoring IRMAA.
  • Assuming Medicare covers long-term care.
  • Missing enrollment deadlines.
  • Not reviewing annual plan changes.
  • Not comparing total yearly exposure.

Checklist

  • Confirm Part B premium.
  • Estimate IRMAA exposure.
  • Check Part D drugs.
  • Check pharmacy network.
  • Check doctor network.
  • Check hospital network.
  • Compare annual deductible.
  • Compare copays and coinsurance.
  • Compare out-of-pocket maximum.
  • Review plan changes annually.
  • Use the Medicare Cost Calculator.

Related Kefiw Tools

Professional Review

Recommended reviewer: Medicare specialist, licensed insurance professional

Sources To Verify

Last reviewed: April 29, 2026.

Kefiw Care Planning Disclaimer

Kefiw provides educational care-planning tools and guides. This content does not replace medical, legal, financial, tax, or insurance advice. Care needs, coverage rules, costs, and eligibility vary by person, plan, provider, and location. For urgent medical concerns, call emergency services or contact a qualified medical professional.

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Related

Frequently asked questions

› What is the standard Medicare Part B premium for 2026? Definition

CMS lists the 2026 standard monthly Part B premium as $202.90. Higher-income households may pay IRMAA in addition to the standard premium.

› What is the Medicare Part B deductible for 2026? Definition

CMS lists the 2026 annual Part B deductible as $283.

› What is the maximum Part D deductible in 2026? Definition

Medicare says no Medicare drug plan may have a deductible above $615 in 2026, and some plans have no deductible.

› How should I use this guide with a Kefiw tool? How-to

Use the guide as the plan and the linked Kefiw tool as the check. Read the steps first, try the move manually, then use the tool to compare outputs, catch edge cases, and decide whether the result actually fits your task.

› What mistake do tool guides help avoid? Troubleshooting

Tool guides help avoid using a utility mechanically without understanding what you are trying to accomplish. Most word, writing, and text utilities are fast, but speed can hide context mistakes. Know whether you are solving a puzzle, cleaning copy, drafting a line, or checking a rule.