Medicare's Part B premium jumped to $185 a month in 2025, up about $10.30 from last year, and the increase is squeezing retirees who already watched grocery bills and rent climb faster than their Social Security checks.
The annual deductible also rose to $257, meaning beneficiaries pay more out of pocket before coverage kicks in.
Two enrollees on traditional Medicare now face roughly $370 a month just for Part B, or about $4,440 a year, before a single prescription or supplemental plan enters the picture.
Add a Medigap policy and a Part D drug plan, and many households are looking at $600 or more monthly for health coverage alone.
Here's the part that stings: the standard monthly premium is tied to income, and higher earners pay surcharges called IRMAA.
A single retiree with modified adjusted gross income above $106,000, or a couple above $212,000, pays anywhere from $259 to $628.90 a month in 2025 depending on their bracket.
Those thresholds are based on tax returns from two years prior, so a one-time Roth conversion or property sale can trigger a surcharge that lingers for 12 months.
Social Security's cost-of-living adjustment for 2025 came in at 2.5%, which for the average retiree adds about $50 a month.
For many, the entire raise disappears into the higher Part B premium before the check even lands.
Because premiums are typically deducted directly from Social Security benefits, some recipients see their net deposit barely move, or even shrink.
If your income dropped due to retirement, divorce, death of a spouse, or loss of a pension, you can file Form SSA-44 to request an IRMAA reduction.
It's not automatic, and the Social Security Administration won't refund money you never asked about.
Beneficiaries who miss the window often overpay for a full year.
Shopping around for coverage also matters more than ever.
Medicare Advantage plans often advertise $0 premiums, but they come with networks, prior authorizations, and out-of-pocket maximums that can exceed $9,000 in-network.
Traditional Medicare plus Medigap usually costs more monthly but offers broader provider access and predictable bills.
Neither option is universally cheaper, and the right pick depends on your doctors, prescriptions, and travel habits.
Open enrollment for Medicare runs October 15 through December 7, and Advantage enrollees can switch plans during a separate window from January 1 through March 31.
Comparing plans through Medicare's Plan Finder takes about 20 minutes and can surface hundreds of dollars in annual savings on drugs alone.
The bottom line: Part B premiums are rising faster than many retirement budgets can absorb, and the automatic deduction hides the damage.
Retirees who review their IRMAA status, compare drug plans yearly, and check whether their Medigap premiums are still competitive tend to keep more of their Social Security check.
Final Thoughts
Ignoring the paperwork is the most expensive option of all.