Does Medicare Cover Bunion Surgery? Coverage and 2026 Costs

Is bunion surgery covered by Medicare?

Bunion surgery — clinically a bunionectomy — is generally an outpatient procedure, so Original Medicare covers it under Part B rather than Part A. Coverage hinges on one word: medically necessary. Medicare pays when a physician determines surgery is needed to treat pain, deformity, or loss of function, and it will not pay for surgery done for cosmetic reasons alone.

Medicare's coverage rules describe surgical correction of a foot structure performed to improve the function of the foot or to relieve an associated symptomatic condition as a covered service. In practice, that means your podiatrist or surgeon should document your symptoms, the structural problem, and why surgery is the appropriate treatment.

If you are enrolled in a Medicare Advantage (Part C) plan instead of Original Medicare, the plan must cover at least what Original Medicare covers, but your costs, provider network, and prior-authorization requirements vary by plan. Always confirm the specifics with your plan before scheduling.

What makes bunion surgery "medically necessary"?

Medicare does not approve surgery simply because a bunion exists. Coverage usually follows a documented history showing the condition is interfering with your daily life and that less invasive steps were tried first.

• Persistent pain that limits walking, standing, or wearing normal footwear
• A structural deformity that surgery is intended to correct or improve
• Documentation that conservative treatments — such as wider shoes, padding, orthotics, or anti-inflammatory care — were tried or considered
• A physician's determination that surgery is the appropriate next step

Your 2026 out-of-pocket costs under Part B

For 2026, the standard Part B premium is $202.90 per month and the annual Part B deductible is $283. Once you meet that deductible, you generally pay 20% of the Medicare-approved amount for the surgeon's services, with Medicare paying the other 80%.

Where the surgery is performed affects the facility charge. In a hospital outpatient department you pay a copayment in addition to the surgeon's coinsurance, while an ambulatory surgical center (ASC) typically results in a lower out-of-pocket facility cost. The exact dollar amount depends on the specific procedure code, your location, and your provider, so ask for a written cost estimate beforehand.

Higher-income beneficiaries may pay an income-related monthly adjustment (IRMAA) on top of the standard Part B premium — this affects your monthly premium, not the surgery's coinsurance. There is no annual out-of-pocket maximum in Original Medicare, which is one reason many people add supplemental coverage.

How Medigap and Advantage plans change your share

Original Medicare leaves you responsible for the 20% coinsurance with no cap on total spending. A Medicare Supplement (Medigap) policy can cover some or all of that coinsurance and the Part B deductible, depending on which standardized plan you buy — benefits vary by plan letter and are not universal.

Medicare Advantage plans bundle your coverage and include an annual out-of-pocket limit, but they often require you to use in-network surgeons and facilities and may require prior authorization for surgery. Costs, copays, and rules differ from plan to plan, so verify bunion-surgery specifics with your plan's customer service before booking.

Steps to take before scheduling

A little upfront work reduces the chance of a surprise bill or a denied claim.

• Confirm your surgeon and facility accept Medicare assignment
• Ask whether the procedure will be done at an ASC or hospital outpatient department, and request a cost estimate for each
• Make sure your physician's notes document medical necessity and prior conservative care
• If you have Medicare Advantage, check whether prior authorization is required
• Consider a second surgical opinion — Medicare helps cover the cost of one for surgery that isn't an emergency