Understanding Monthly Premiums, IRMAA Surcharges, and Total Part B Expenses
Understanding Medicare Part B costs including monthly premiums, IRMAA surcharges, and how income affects your total Part B expenses.

Medicare Part B is medical insurance that covers medically necessary services and supplies, such as doctor visits, outpatient care, and preventive services. It is part of the federal health insurance program primarily for individuals aged 65 or older.
Understanding the cost of Medicare Part B is essential for retirement planning, as it represents a significant ongoing healthcare expense. Learn about what Part B covers in detail.
The cost of Medicare Part B varies depending on your income and other factors. Most beneficiaries pay a standard monthly premium set annually by CMS.
Higher-income beneficiaries pay additional IRMAA surcharges that can significantly increase the monthly cost. View current IRMAA brackets for surcharge details.
Most Medicare beneficiaries have their Part B premium automatically deducted from their Social Security benefit check. For those not yet receiving Social Security, Medicare sends quarterly bills.
Understanding how Medicare premiums are calculated and what income is used to determine premiums helps you plan effectively for these costs.
Our tools calculate total Part B costs including IRMAA projections for multiple years.
Schedule a DemoDisclaimer: This article is educational content for financial professionals. It is not investment, tax, legal, insurance, or accounting advice, and it is not a recommendation of any security, strategy, or product. Any examples, figures, and calculations are hypothetical illustrations based on the stated assumptions and on tax and Medicare rules in effect at the time of writing, which are subject to change; they are not predictions or guarantees, and individual results will differ. RetirementAdvisorPro is not a registered investment adviser, broker-dealer, insurance agency, law firm, or accounting firm, and nothing here creates an advisory or professional-client relationship. Consult a qualified financial, tax, or legal professional regarding your specific circumstances. See our full disclosures.
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