Medicare Costs: Five Separate Bills, Not One Premium

You spent forty years with one insurance card, one premium, and one deductible. Medicare does not work that way.

Medicare costs arrive as five separate charges, from four different payees, on different schedules. The $202.90 figure you have probably heard is only the first of them.

Where to start depends on where you are:

• Turning 65 and still working? The penalty rules decide whether you need to act this month or can wait.
• Retiring soon and comparing coverage? The cost table below and the annual totals near the end give you the real numbers.
• Already enrolled and startled by this year’s increase? There is a specific, checkable reason your premium moved.
• Just opened a letter about your income? The surcharge section covers what triggered it and how to challenge it.
• Watching costs for a parent? The annual comparison shows both the expected number and the worst-case exposure.
• Living on a limited income? Two federal programs can reduce nearly every charge on this page.

FinanceAuthorityHub is not a Medicare agent or broker. We do not sell plans and receive no compensation from any insurer or plan sponsor. Nothing below is written to move you toward a product.

ℹ️ Financial Disclaimer: This article covers health insurance selection, tax and income-related premium adjustments, Social Security benefit interactions, and federal benefit eligibility. The figures here reflect current data from the cited government authorities and are for educational purposes only — not personalized insurance, tax, or legal advice. Your costs depend on your income, coverage choices, health needs, state, and filing status. Plan-level costs vary by ZIP code and insurer, and only Medicare Plan Finder and a plan’s own Evidence of Coverage are authoritative for a specific plan. Consult a State Health Insurance Assistance Program (SHIP) counselor, a licensed insurance agent, or a CPA before acting on anything in this article.

What Medicare actually costs in 2026: the five bills

Most people pay $202.90 per month for Part B in 2026, plus a drug plan and any supplemental coverage. That typically lands between $250 and $400 monthly. The other four charges arrive only when you use care, or only if your income is above a threshold.

Sources: Part A and Part B figures from the CMS 2026 Medicare Parts A & B Premiums and Deductibles fact sheet, released November 14, 2025. Part D and Medicare Advantage plan premiums are CMS projected averages for 2026, not fixed rates. Medigap premiums are set by private insurers and approved state by state; no national figure exists.

The 2026 numbers, and where each one comes from

Every figure above carries its source and its release date, because Medicare costs are reset annually and a number without a date is not usable. CMS published the 2026 Part A and Part B amounts on November 14, 2025, later than usual because of the government shutdown.

Rows one through three are fixed federal amounts. Rows four and five are averages across thousands of private plans, and your actual figure will differ.

Which bills you get, and which you can avoid

Bill one is unavoidable if you enroll in Part B, and almost everyone does. Bill four is technically optional, but skipping it triggers a permanent penalty for most people.

Bills two and three arrive only when you use care. Bill five is a choice — and it is the choice that determines how large bills two and three can ever get.

Why the number you were told may be wrong

Several pages currently ranking for this topic carry 2025 figures under 2026 headlines. As of our August 2026 verification, live results included a Part B deductible of $266, a Part D deductible of $590, a Part D cap of $2,000, and Medicare Advantage out-of-pocket ceilings of $9,350 and $9,400 — all of them superseded.

💡 Expert Note: CMS resets nearly every figure on this page each autumn. Any Medicare cost article without a visible review date should be checked against the CMS fact sheet before you rely on it.

Bill 1: the Part B premium Medicare takes first

The standard Part B premium rose to $202.90 in 2026, an increase of $17.90 from $185.00 in 2025. The annual Part B deductible rose to $283, up $26 from $257.

Why your Part B premium went up in 2026

CMS attributes the increase mainly to projected price changes and assumed utilization increases consistent with historical experience. The increase would have been roughly $11 higher per month without changes to skin-substitute spending finalized in the 2026 Physician Fee Schedule.

🔍 How It Works: The Part B premium is not set arbitrarily. CMS calculates a monthly actuarial rate — $405.40 for beneficiaries aged 65 and over in 2026 — and the standard premium is set at 50% of it, plus a small statutory repayment amount. When the underlying cost of Part B services rises, the premium follows by formula.

How the premium is actually collected

If you receive Social Security, Part B is withheld from your monthly payment rather than billed. You can see how the premium lands against your own benefit before your first payment arrives.

If you are not yet collecting Social Security, Medicare bills you directly.

📊 Data Point: The Social Security Administration announced a 2.8% cost-of-living adjustment for 2026, raising the average retirement benefit by about $56 per month. With the Part B premium rising $17.90, roughly one third of the average raise went straight back to Medicare.

When your premium is lower than the standard amount

By law, Part B premiums for current enrollees cannot rise by more than the dollar amount of the Social Security COLA. This protection is known as hold harmless.

Because the average 2026 COLA of about $56 comfortably exceeds the $17.90 premium increase, hold harmless does not limit the premium for most beneficiaries this year. It does not apply at all to people paying income-related surcharges or not yet collecting Social Security.

Bills 2 and 3: what you pay when you actually use care

Your premium buys coverage. It does not buy care. These two bills arrive from providers, not from Medicare, and they are where most unexpected out-of-pocket costs come from.

What a hospital stay costs in 2026

About 99% of beneficiaries pay no Part A premium, having worked 40 quarters in Medicare-covered employment. The hospital deductible still applies.

Source: CMS 2026 Medicare Parts A & B Premiums and Deductibles fact sheet, November 14, 2025.

Why “per benefit period” is not “per year”

🔍 How It Works: A benefit period begins the day you are admitted as an inpatient. It ends only after you have gone 60 consecutive days without inpatient hospital or skilled nursing care. A new admission after that gap starts a brand-new benefit period — with a brand-new deductible.

This is the single most misread rule in Medicare, and the arithmetic is unforgiving.

⚠️ Costly Mistake: Assume two hospital admissions in the same calendar year, 90 days apart. Because the gap exceeds 60 days, each admission starts its own benefit period. You pay $1,736 twice — $3,472 in Part A deductibles alone, in a single year, before a dollar of outpatient cost-sharing.

The 20% with no upper limit

Once you meet the $283 Part B deductible, you pay 20% of the Medicare-approved amount for most outpatient services. There is no annual maximum on that 20%.

Original Medicare on its own has no out-of-pocket limit of any kind. A serious illness can produce unlimited cost-sharing across multiple benefit periods — which is precisely what the fifth bill exists to solve.

Bill 4: what prescription drug coverage costs

Medicare Part D was restructured in 2026 and now runs in three phases, with the old coverage gap eliminated.

What you pay before the cap

🔍 How It Works: Part D moves through three stages each calendar year. First, you pay full price until you meet your plan’s deductible, which can be no more than $615 in 2026. Second, you pay a share of each prescription during the initial coverage phase. Third, once your out-of-pocket spending reaches $2,100, you enter catastrophic coverage.

Stand-alone plans average $34.50 per month in 2026, down from the prior year. Your plan’s premium, deductible, and formulary tiers are set by the insurer, not by Medicare.

The $2,100 ceiling and when you hit it

Once covered-drug spending reaches $2,100, covered prescriptions cost nothing for the rest of the year. Deductibles, copays, and coinsurance count toward that total. Monthly plan premiums do not.

The cap applies only to drugs on your plan’s formulary. A prescription your plan does not cover neither counts toward the cap nor gets covered after it.

Paying in installments instead of at the counter

The Medicare Prescription Payment Plan lets you spread out-of-pocket drug costs across monthly installments rather than paying them at the pharmacy. It does not reduce what you owe; it changes the timing.

✅ Action Step: Before choosing any drug plan, ask a SHIP counselor or licensed agent: “Is every medication I currently take on this plan’s formulary, and at which tier?” A plan with a lower premium and a worse formulary frequently costs more across a year.

Bill 5: Medigap or Medicare Advantage

This is the decision that determines your maximum exposure. Medicare Advantage replaces Original Medicare’s cost-sharing with plan cost-sharing under an annual cap. Medigap leaves you in Original Medicare and pays most of the cost-sharing for you.

Sources: Medicare Advantage figures from CMS 2026 projections and KFF analysis of CMS Landscape files. Medigap premiums are state-approved and vary; no national average is published.

What a Medigap policy costs and covers

Plan G covers the Part A deductible, hospital and outpatient coinsurance, and skilled nursing coinsurance. It does not cover the Part B deductible.

There is no meaningful national average Medigap premium, and figures presented as one should be treated with caution. Premiums depend on your ZIP code, age, gender, tobacco use, and whether the insurer uses attained-age, issue-age, or community rating. Your real number comes from the Medigap search on Medicare.gov or your state insurance department’s rate tables, several of which publish approved rates directly.

What a Medicare Advantage plan costs and caps

In 2026, Medicare Advantage out-of-pocket limits may not exceed $9,250 for in-network services or $13,900 combined in and out of network. You still pay your Part B premium on top of any plan premium — a point worth confirming when you compare how Medicare Advantage plans are structured.

📊 Data Point: The $9,250 figure is the ceiling, not the norm. KFF’s analysis of 2026 CMS plan files puts the average in-network limit at $5,421 — $4,636 for HMOs and $6,592 for PPOs. The medical cap and the $2,100 drug cap are separate limits; reaching one does not advance the other.

The one deadline that decides your options later

⚠️ Costly Mistake: Your Medigap open enrollment window is a one-time federal right that opens when you first enroll in Part B at 65. After it closes, insurers in most states may use medical underwriting to decline you or charge more. Choosing Advantage first and assuming you can switch to Medigap later works in some states and not others.

✅ Action Step: Ask a SHIP counselor — free, federally funded, and paid no commission on any plan — this exact question: “In my state, can I move from Medicare Advantage to Medigap later without medical underwriting?”

The surcharge that lands on two of the five bills

IRMAA is not a sixth bill. It is an income-related surcharge that attaches to bills one and four, and CMS estimates about 8% of beneficiaries pay it.

The income that sets your 2026 premium

Your 2026 surcharge is based on the modified adjusted gross income reported on your 2024 tax return. It begins above $109,000 for individuals and $218,000 for couples filing jointly.

Source: Federal Register notice of 2026 Part B premium rates and income-related adjustment amounts, November 19, 2025. Joint thresholds are double the single amounts.

Both surcharges are withheld from your Social Security payment. The Part D surcharge is owed to Medicare rather than to your plan — so a higher earner pays two different parties for one drug plan, even though only one deduction appears.

Why one dollar can cost you thousands

🔍 How It Works: IRMAA is a cliff, not a slope. There is no phase-in. Income of $109,001 rather than $109,000 moves you fully into the next tier: $81.20 more per month for Part B plus $14.50 for Part D, or $1,148.40 across the year. A married couple where both are on Medicare pays that twice.

Income from two years ago is what counts, which means a conversion this year sets your premium two years out.

When you can ask for a redetermination

If your income dropped because of a life-changing event — retirement, the death of a spouse, marriage, divorce, or loss of income-producing property — you can ask Social Security to use current income instead. The form is SSA-44, filed with your local Social Security office.

✅ Action Step: Ask a CPA or fiduciary advisor: “Will this year’s income cross an IRMAA threshold two years from now, and does my situation qualify as a life-changing event?”

The penalties that never go away

Two of Medicare’s three late enrollment penalties are permanent. Most people never face them, but the ones who do usually did not know the rule existed.

What signing up late costs each month

🔍 How It Works: The Part B penalty adds 10% for each full 12-month period you could have enrolled but did not. Only complete 12-month periods count, and the surcharge is calculated against the standard premium — not against an income-adjusted one. Medicare’s own example: a 24-month delay produces a 20% penalty, bringing the 2026 monthly premium to $243.50.

The penalty lasts as long as you have Part B, and the dollar amount rises each year as the standard premium does.

The drug penalty most people never see coming

The Part D penalty is 1% of the national base beneficiary premium — $38.99 in 2026 — for each full month you went without creditable drug coverage. In Medicare’s published example, that works out to $5.50 per month, added to your plan premium for as long as you keep drug coverage.

The Part A penalty behaves differently: it applies only to people who buy Part A, and it lasts for twice the number of years you delayed rather than for life.

⚠️ Costly Mistake: Enrolling in Part A ends your eligibility to contribute to a health savings account, and Part A can apply retroactively for up to six months. If you are still working and contributing, check how Medicare enrollment interacts with HSA contributions before you file.

Still working at 65? Read this first

Employer coverage can protect you from both penalties, but only if it qualifies. Employer size, coverage type, and whether your drug coverage is creditable all matter.

✅ Action Step: Ask your benefits administrator two questions in writing: “Is our prescription drug coverage creditable for Medicare purposes?” and “Does our plan allow me to delay Part B without a penalty?”

Programs that lower every one of these bills

Two federal programs reduce Medicare costs for people with limited income and savings, and both are substantially underused.

Help with drug costs

Extra Help, also called the Part D Low-Income Subsidy, pays your drug plan premium and deductible and reduces prescription copays to a few dollars. The Social Security Administration determines eligibility and takes applications at ssa.gov or by phone.

Income and asset limits change annually, and figures circulating online frequently disagree. Apply and let Social Security make the determination rather than screening yourself out on a number from a blog.

Help with premiums and cost-sharing

Medicare Savings Programs are run by your state and can pay your Part B premium outright, and in some cases your deductibles and coinsurance. Enrollment in one automatically qualifies you for Extra Help.

✅ Action Step: Contact your SHIP counselor or state Medicaid office and ask: “Do I qualify for a Medicare Savings Program at my income, and does my state count assets?” Several states do not.

What a full year of Medicare actually costs

Adding the five bills together produces three very different annual costs, depending on the path you choose.

Assumptions: age 65, standard Part B premium with no IRMAA, CMS 2026 average plan premiums, Part B deductible met. Worst-case figures add the maximum in-network out-of-pocket limit of $9,250 and the $2,100 drug cap. Medigap premiums are quoted individually and are not included in the totals.

💡 Expert Note: The Medigap row deliberately leaves a blank. Any article that fills it with a national average is presenting a number that does not exist. Get your quote from Medicare’s Medigap search or your state insurance department, then add it to $2,848.80.

The three paths differ by roughly $250 a year in premiums and by more than $10,000 in worst-case exposure. That gap, not the monthly premium, is the actual decision.

Common questions about Medicare costs

Before your next Medicare decision

If the five-bill structure was new to you, that is not a gap in your financial competence — it is a genuinely fragmented program, and the parts that cost the most are the ones nobody sends you a brochure about.

The most useful thing you can do before your next appointment or enrollment window is find out whether your Medigap open enrollment window is still open. It is the only decision on this page that becomes permanently unavailable, and no amount of money fixes it afterward. Ask a SHIP counselor directly: “Is my Medigap guaranteed-issue right still active, and how long do I have?”

From here, fold your annual Medicare figure into your broader retirement plan so it sits alongside your other fixed costs rather than surprising you in January.

Our Medicare Monthly Total Worksheet walks you through all five bills, the IRMAA bracket check, and a dated enrollment checklist — it sells nothing and connects you to no agent.

Every figure on this page was verified against CMS, SSA, and Medicare.gov publications on the review date shown at the top, with each source and its release date stated in the tables. Where no authoritative figure exists — Medigap premiums, Extra Help thresholds — we left the number out rather than publishing an estimate.

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