coverage (deductible rising to $700 and out-of-pocket cap rising to $2,400 in 2027), and optional Medigap or Medicare Advantage premiums on top. Higher earners also pay IRMAA surcharges. Here’s the full breakdown.
“How much does Medicare cost?” sounds like a simple question, but the honest answer is: it depends on which parts you’re using, how much you earn, and which optional coverage you layer on top. Below is a complete, part-by-part breakdown using the latest confirmed 2026 figures and the best available 2027 projections.
What This Article Covers
Part A: Hospital Insurance
For most people, Part A is premium-free—the reward for paying Medicare payroll taxes for at least 10 years (40 quarters) during your working life. If you don’t meet that work history requirement, you’ll pay a monthly premium that can run several hundred dollars, depending on how many quarters you have. Even with premium-free Part A, you’re still responsible for a deductible each benefit period for inpatient hospital stays, plus daily coinsurance if your stay runs long.
Part B: Medical Insurance
Part B covers doctor visits, outpatient care, preventive services, and durable medical equipment. Unlike Part A, almost everyone pays a Part B premium. The standard monthly premium is $202.90 in 2026. For 2027, projections vary by source: the Medicare Trustees’ report projects around $209.50, while some industry estimates run as high as $221, reflecting rising healthcare costs. The exact figure is finalized by CMS each fall, typically in October or November. Part B also carries an
annual deductible, after which you generally pay 20% coinsurance on covered services, with no annual cap unless you add supplemental coverage.
Part C: Medicare Advantage
Medicare Advantage plans are sold by private insurers as an alternative to Original Medicare, bundling Part A, Part B, and usually Part D into one plan. Premiums vary enormously by plan and location—many are advertised at $0 per month, though you still pay your Part B premium regardless. Instead of a flat premium, Medicare Advantage plans typically use copays and coinsurance for specific services, with a legally required annual out-of-pocket maximum, which Original Medicare alone doesn’t have. For 2027, CMS increased its payments to Medicare Advantage insurers by about 2.48%—less than carriers wanted—which is expected to push some plans toward higher costs or reduced extra benefits. See our full comparison of Medicare Advantage vs. Original Medicare for how the cost structures actually compare.
Part D: Prescription Drug Coverage
Part D premiums vary by plan, but the national base premium was $38.99 in 2026, up from $36.78 in 2025, and is expected to rise further in 2027 as insurers face rising drug costs. More significant than the premium, though, is the redesigned cost structure: for 2027, the annual deductible is rising to $700
(from $615), and the total out-of-pocket cap on covered drugs is rising to $2,400 (from $2,100)—after which your covered medications are free for the rest of the year. Insulin remains capped at $35 per month regardless of deductible phase, and recommended vaccines remain free. Full details on this redesign are in Medicare Part D Changes for 2027.
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| Cost Item | 2026 | 2027 (Projected/Confirmed) |
|---|---|---|
| Part B standard premium | $202.90/month | ~$209.50–$221/month (est.) |
| Part D national base premium | $38.99/month | Expected to rise further |
| Part D annual deductible | $615 | $700 |
| Part D out-of-pocket cap | $2,100 | $2,400 |
| Insulin monthly cap | $35 | $35 (unchanged) |
| IRMAA range (added to Part B) | $81.20–$487/month | Est. $83.70–$502.60/month |
IRMAA: The Income Surcharge Most People Don’t
Expect
If your income is above a certain threshold, you’ll pay more than the standard Part B and Part D premiums through IRMAA — the Income-Related Monthly Adjustment Amount. IRMAA is based on your income from two years prior (your 2027 IRMAA bracket is based on your 2025 tax return), which catches some retirees off guard the year after a high-income event like a large retirement account withdrawal or a home sale. In 2026, IRMAA surcharges on Part B range from about $81.20 to $487 per month on top of the standard premium, depending on income tier; 2027 figures are projected to run from roughly $83.70 to $502.60. IRMAA also applies an additional surcharge to Part D premiums. If a life event like retirement or widowhood has significantly lowered your income since the tax year used to calculate your IRMAA, you can request a reconsideration with the Social Security Administration.
Medigap Premiums
If you choose Original Medicare plus a Medigap (Medicare Supplement) policy instead of Medicare Advantage, you’ll pay a separate monthly Medigap premium on top of your Part B premium in exchange for the policy covering some or all of your Part B coinsurance, deductibles, and other gaps. Medigap premiums vary by plan letter, insurer, state, and your age at enrollment, and they generally rise over time. For a full look at how Medigap pricing works and how it compares to Medicare Advantage over the long run, see our companion guide, Medigap Plans Explained 2027.
Putting It All Together: What Does a Typical Retiree Actually Pay?
There’s no single “average” Medicare bill, because it depends entirely on which combination of coverage you choose. A retiree on Original Medicare with a Medigap policy and a standalone Part D plan will pay three separate monthly premiums but very predictable out-of-pocket costs when care is needed. A retiree on a $0-premium Medicare Advantage plan pays far less monthly but takes on more variable copays and network restrictions. Neither path is inherently cheaper—it depends on how much care you use, how often you travel, and how much predictability you’re willing to pay for. The only way to know which is genuinely less expensive for your situation is to run the numbers side by side using your actual ZIP code and medication list, since Part D formularies and Medicare Advantage pricing both vary significantly by location.
Hidden Costs People Often Overlook
Beyond the headline premiums and deductibles, a few less-discussed costs are worth budgeting for. If you need durable medical equipment—a walker, wheelchair, or CPAP machine—Part B typically covers 80% after the deductible, leaving you responsible for the remaining 20% unless you have supplemental coverage, and equipment costs can run into the thousands for higher-end items. Similarly, if you require ambulance transportation, Part B coverage again leaves a 20% coinsurance gap, and ambulance bills are notoriously expensive even for short trips.
Skilled nursing facility care after a hospital stay is another area with a cost cliff people don’t always anticipate: Medicare covers the first 20 days in full, but from day 21 through day 100, you pay a daily coinsurance amount (typically several hundred dollars per day), and after day 100, you’re responsible for the full cost unless you have supplemental coverage. For someone recovering from a major surgery or a serious fall, this gap alone can represent a substantial unplanned expense.
Finally, don’t forget that premiums for Medigap policies generally increase over time, sometimes through automatic age-based rate increases built into the policy, sometimes through general rate increases the insurer applies across its whole book of business. When budgeting for Medicare costs in retirement, it’s worth projecting your premium a decade out, not just at your current age, since a policy that looks affordable at 66 may cost meaningfully more at 76.
See Your Actual 2027 Costs, Not Just the Averages
Compare Medicare Advantage, Medigap, and Part D plan costs
side by side for your ZIP code and medications.
Frequently Asked Questions
How much is the Medicare Part B premium in 2026?
The standard Part B premium is $202.90 per month in 2026. Early 2027 projections range roughly from $209.50 to $221, with the final number announced by CMS in the fall of 2026.
What is IRMAA and who has to pay it?
IRMAA (Income-Related Monthly Adjustment Amount) is a surcharge added to Part B and Part D premiums for higher-income beneficiaries, based on income reported two years earlier. In 2026, IRMAA ranges from about $81.20 to $487 per month on top of the standard premium.
Is Medicare Part A free?
Part A is premium-free for most people if you or a spouse paid Medicare payroll taxes for at least 10 years (40 quarters). Otherwise, you may pay a monthly premium for Part A.
What is the 2027 Part D deductible and out-of-pocket cap?
The Part D deductible is rising to $700 in 2027, up from $615 in 2026, and the annual out-of-pocket cap on covered drugs is rising to $2,400, up from $2,100.
Does Medicare Advantage cost more or less than Original Medicare?
It depends on the plan and your health needs. Many Medicare Advantage plans have low or $0 premiums but include copays, and all have an annual out-of-pocket maximum, unlike Original Medicare alone, which has no cap on Part B coinsurance.
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Figures reflect confirmed 2026 Medicare costs and publicly available 2027 projections as of August 2026. Final 2027 numbers are announced by CMS in the fall; always confirm current figures at Medicare.gov. Senior Affair is not affiliated with the federal Medicare program.
