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The name-twin problem

Medicare vs. Medicaid: same first syllable, completely different programs

Short answer: Medicare is federal health insurance you qualify for by age (65) or disability, regardless of income. Medicaid is need-based coverage run jointly with your state, tied to income and assets. Medicare mostly doesn’t pay for long-term care; Medicaid is the country’s largest payer of it. And about one in five Medicare beneficiaries qualifies for both at once, which changes everything about their costs.

By the Medicare Decoder team · Updated August 10, 2026 · 4-minute read · Figures are official 2026 amounts

Key takeaways

  • Medicare: earned federal insurance for people 65+ or with qualifying disabilities, at any income level.
  • Medicaid: need-based coverage with income and asset limits, run by states under federal rules.
  • The long-term-care split: Medicare covers short skilled stays only; Medicaid funds most U.S. nursing home care after spend-down.
  • Dual eligibility (both at once) can cover premiums, deductibles, and drugs, often reducing costs to near zero.
  • Medicare Savings Programs sit between the two: state programs that pay Part B premiums for people under set limits.

Side by side

MedicareMedicaid
Who runs itFederal government (CMS)Your state, under federal rules
Who qualifies65+, or under 65 with qualifying disabilityIncome and asset limits set by each state
Income testNone for eligibility (higher earners pay IRMAA surcharges)Yes, central to eligibility
What you payPremiums ($202.90 Part B in 2026), deductibles, coinsuranceLittle to nothing for covered services in most states
Long-term careShort-term skilled care onlyThe largest payer of U.S. nursing home care
Applies whereSame nationwideRules and names vary by state (Medi-Cal, MassHealth, etc.)

Program structures per Medicare.gov and federal Medicaid rules; state Medicaid specifics vary.

Medicare, in one paragraph

Medicare is the insurance you earned through payroll taxes: Part A (hospital), Part B (medical, $202.90 a month in 2026), Part D (drugs), with Medigap or Medicare Advantage as the private layers around it. Nobody checks your income to let you in; income only matters for the IRMAA surcharges above $109,000. The full plumbing is on our basics page.

Medicaid, in one paragraph

Medicaid is need-based: each state sets income and asset limits within federal rules, names its program what it likes (Medi-Cal in California, MassHealth in Massachusetts), and covers a broad benefit set with minimal cost-sharing. For older adults its two headline roles are covering people whose retirement income is genuinely low, and paying for long-term custodial care once someone’s own assets are spent down to their state’s limit, subject to look-back rules on asset transfers (typically five years).

The split that surprises everyone: long-term care

Medicare covers up to 100 days of skilled nursing per benefit period after a qualifying hospital stay, then stops regardless of need; it never covers purely custodial care (help with bathing, dressing, supervision). Medicaid is what actually funds most long nursing home stays in America, after spend-down. Families routinely learn this at crisis; the full picture, including what the 100 days really look like, is in our long-term-care article.

Having both: dual eligibility

Roughly one in five people on Medicare also qualifies for some level of Medicaid. For "duals," Medicare pays first and Medicaid wraps around it, covering premiums, deductibles, and coinsurance, and dual-eligible status brings automatic Extra Help with drug costs. Some states offer Dual Special Needs Plans (D-SNPs), Advantage plans built specifically for this group. If your income is modest, checking dual eligibility is not a formality; it can be worth thousands a year.

The in-between: Medicare Savings Programs

Between full Medicaid and paying everything yourself sit the Medicare Savings Programs: state-run tiers (QMB, SLMB, QI) that pay your Part B premium, and at the QMB level your deductibles and coinsurance too, for people under income and asset limits that are higher than full-Medicaid limits. Enrolling in any MSP also triggers automatic Extra Help for drugs. Your State Health Insurance Assistance Program (SHIP) screens for all of this free; it’s among the highest-value phone calls in Medicare.

Questions people also ask

What is the main difference between Medicare and Medicaid?
Medicare is federal health insurance earned by age (65+) or disability, with no income test for eligibility. Medicaid is need-based coverage run by states with income and asset limits. Medicare charges premiums and cost-sharing; Medicaid covers most costs for those who qualify.
Can you have Medicare and Medicaid at the same time?
Yes. About one in five Medicare beneficiaries is dual-eligible. Medicare pays first, Medicaid wraps around it covering premiums and cost-sharing, and duals automatically get Extra Help with prescription costs. Some states offer Dual Special Needs Plans designed for this group.
Does Medicare or Medicaid pay for nursing homes?
Medicaid. Medicare covers only short-term skilled nursing (up to 100 days after a qualifying hospital stay). Long-term custodial nursing home care is funded primarily by Medicaid after a person’s assets are spent down to state limits.
What income qualifies you for Medicaid at 65?
It varies by state, which sets limits within federal rules. Separately, Medicare Savings Programs have higher limits than full Medicaid and can pay your Part B premium. A free SHIP counselor can screen you for both in one call.
Does Medicare check your income?
Not for eligibility. Income only affects Medicare through IRMAA surcharges: above $109,000 (single) or $218,000 (joint) from two years ago, Part B and Part D premiums rise on a tiered scale.

Sources for this article

Figures checked against these sources in August 2026. We update within weeks when CMS publishes new amounts.

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