2027 Medicare Part B Premiums and Deductibles: What’s Projected So Far

Last updated July 2026. Figures below are projections and are not yet confirmed by CMS.

If you’re planning ahead for 2027, you’ve probably seen headlines about rising Medicare costs. Here’s what’s actually known right now, what’s still just an estimate, and when you can expect the real numbers.

The short answer

No one has an official 2027 Medicare Part B premium or deductible yet — not even the Centers for Medicare & Medicaid Services (CMS). The only numbers available today come from the 2026 Medicare Trustees Report, released in June 2026, which offers an early estimate based on projected program spending. CMS typically confirms the actual figures each November, so the real 2027 rates won’t be locked in until around November 2026.

2027 Part B premium: the current estimate

The Trustees Report projects the standard monthly Part B premium at approximately $209.50 for 2027, up from the confirmed $202.90 in 2026. That works out to about a 3.25% increase — a much smaller jump than the nearly 10% increase beneficiaries saw between 2025 and 2026, and the smallest percentage rise since 2023.

It’s worth keeping some perspective here. This same report a year earlier had projected a 2027 premium of $218.60, a figure that was revised down by about $9 in this year’s version. Trustees’ estimates have moved in both directions historically: in 2021, for example, the projected premium for the following year ended up several dollars below what CMS ultimately finalized. In other words, $209.50 is a reasonable planning figure, not a guarantee. Some private analysts, pointing to a pattern of the Trustees underestimating costs in recent years, expect the real number could land somewhere in the $215–$219 range instead.

2027 Part B deductible: the current estimate

The Part B annual deductible for 2026 is confirmed at $283.00. Early actuarial projections for 2027 put the deductible around $310.00, an increase of roughly $27. As with the premium, this number will not be finalized until CMS’s fall announcement.

What’s already locked in for 2027

Not everything is a guess. A few Medicare figures for 2027 are already finalized by rule or by law:

• Part D out-of-pocket cap: rising to $2,400, up from $2,100 in 2026
• Part D standard deductible: rising to $700, up from $615 in 2026

What about IRMAA?

Higher-income beneficiaries pay an Income-Related Monthly Adjustment Amount (IRMAA) on top of the standard Part B premium. The Trustees Report includes long-range IRMAA projections, but it does not set the actual income brackets tied to each tier — those are indexed to inflation and confirmed later in the year, generally alongside the standard premium. If your income has changed significantly, or you’re approaching a bracket threshold, it’s worth reviewing your options before the official numbers are released, since IRMAA is based on income reported two years prior.

Why premiums keep rising

By law, the standard Part B premium is set to cover about 25% of projected program costs, with general federal revenue covering most of the rest. When health care spending rises — whether from higher provider payments, increased use of high-cost treatments, or overall utilization trends — the premium calculation moves with it. The Trustees Report also projects premium growth accelerating again after 2027, averaging a steeper annual increase over the following several years.

What this means for your planning

If you’re budgeting for 2027 — whether you’re already on Medicare or approaching eligibility — treat $209.50 and $310.00 as working estimates rather than fixed numbers. Build in some flexibility, and watch for the official CMS announcement this fall, which typically arrives in November alongside the following year’s IRMAA brackets.

In the meantime, if you want to understand how potential premium changes might affect your specific coverage, or you’re weighing Medicare Supplement options ahead of the 2027 changes, a licensed, carrier-agnostic agent can walk through your options at no cost.

Frequently Asked Questions

Is the $209.50 Part B premium for 2027 official?

No. It’s a projection from the 2026 Medicare Trustees Report, published in June 2026. CMS will announce the confirmed 2027 premium in its fall announcement, typically in November 2026.

When will the official 2027 Medicare premiums and deductibles be announced?

CMS generally confirms the coming year’s Part A and Part B premiums, deductibles, and IRMAA brackets in a press release each November.

Why did last year’s projection for 2027 change?

The Trustees Report is updated annually using the latest spending and enrollment data. The 2025 report projected a 2027 premium of $218.60; the 2026 report revised that down to $209.50. Projections can shift in either direction as new data comes in.

What is already confirmed for 2027, if not the Part B premium?

The Part D annual out-of-pocket cap ($2,400) and standard Part D deductible ($700) for 2027 are already finalized under federal rule, unlike the Part B premium and deductible.

Have questions about how upcoming Medicare cost changes could affect your coverage? Call 800-577-2075 to speak with a licensed, independent Medicare agent — there’s never a cost to you for the guidance.

Sources

• 2026 Medicare Trustees Report — Centers for Medicare & Medicaid Services, Office of the Actuary (published June 9, 2026)
• Trustees Report & Trust Funds — CMS.gov