For two years, Uncle Sam has been slipping money under your Medicare drug plan so you wouldn’t notice how much it really costs. On Dec. 31, that stops.
Nobody’s going to send you a press release about it. You’ll just open your 2027 plan paperwork and wonder why a premium that barely budged the last two years suddenly leaped.
I’ll tell you why, what it means in dollars, and what to do about it before open enrollment starts Oct. 15. Because this is one of those cases where doing nothing is the most expensive choice on the menu.
The $9.8 billion prop you never saw
In 2022, Congress passed the Inflation Reduction Act, which capped what Medicare enrollees pay out of pocket for prescriptions at $2,000 in 2025 and $2,100 this year. Great for anyone with big drug bills.
But somebody has to eat those costs, and that somebody is the insurer. Insurers responded the way insurers do: They priced it into premiums. Stand-alone drug plans, the ones people pair with Original Medicare, were headed for eye-watering increases.
So the Centers for Medicare & Medicaid Services created what it called a premium-stabilization demonstration. Translation: A taxpayer-funded subsidy to keep drug-plan premiums from spiking right before a couple of elections.
According to nonprofit KFF, the program paid insurers $9.8 billion over 2025 and 2026. It knocked $15 off the base premium in 2025 and $10 in 2026. It also capped how much any plan could raise your premium at $35 a month in 2025, and $50 a month this year.
The real-world effect, per the Medicare Payment Advisory Commission: The average stand-alone drug-plan premium was $26 a month lower than it would’ve been in 2025 and $16 lower in 2026.
That’s the prop. And CMS confirmed on July 28 that it’s pulling it. The agency says it’ll end the demonstration after 2026 to return the program to “traditional market conditions.” That’s bureaucrat-speak for “you’re on your own.”
Why your premium jumps, in plain English
Here’s the part that matters. The subsidy didn’t lower the cost of your drug plan. It hid the cost. The insurer’s price was always higher; the government just paid part of the bill.
Now the bill comes to you. If your plan was leaning on that $16 average subsidy, that’s $192 a year that has to come from somewhere — and “somewhere” is your premium, your deductible or your copays.
Then stack the other 2027 changes on top:
- The deductible: The maximum Part D deductible rises to $700, up from $615, according to Kiplinger. That’s $85 more out of your pocket before the plan pays a dime.
- The out-of-pocket cap: It rises to $2,400 from $2,100, AARP reports. Another $300 for heavy prescription users.
- The premium ceiling is gone: That $50-a-month limit on increases? Expired. A plan can raise your premium as much as it thinks the market will bear.
Run the numbers on a heavy prescription user in a stand-alone plan: That’s $192 more in premiums if the lost subsidy passes straight through, plus $300 more before the cap kicks in. That’s roughly $492 a year, before the plan tacks on anything else. For a couple, double it.
To be fair, not every plan will do that. Some insurers will swallow part of the hit to keep customers. Others will hike premiums, shrink the drug list or both. You won’t know which kind you’ve got until the numbers come out.
Who’s in the crosshairs
This is aimed squarely at the 24.9 million people in stand-alone drug plans — the folks with Original Medicare plus a Part D plan, often with a Medigap policy. That’s about 44% of everyone with Part D coverage.
If you’re in a Medicare Advantage plan with drug coverage, you’ll see less of this. The subsidy never applied to you, and KFF notes the average premium for drug coverage inside Advantage plans is about $8 a month versus $36 for stand-alone plans.
That gap isn’t an accident, and it’ll get wider. The system is built to nudge you toward Advantage plans, which insurers love because Uncle Sam pays them a fixed amount per head. I’m not telling you to switch. I’m telling you to understand the game being played.
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What to do before open enrollment
Open enrollment runs Oct. 15 through Dec. 7. Whatever you pick takes effect Jan. 1. The plan you have now will roll over automatically if you do nothing, at whatever price it’s decided to charge. Here’s how I’d spend the next five weeks.
Read the letter. Every plan mails an Annual Notice of Change by Sept. 30. I covered how to read that letter recently, so I won’t repeat the details again here. Just know that this year, the premium line is the one to check.
Write down your prescribed drugs, including their names, doses and how often you fill them. It’s a step most people skip, and it’s one that makes everything else work.
Plan Finder at Medicare.gov compares plans by total annual cost — premium plus your actual prescriptions — but only if you feed it accurate information.
Compare total cost, not premium. A $20 plan with a $700 deductible and your drugs on a high tier can cost far more than a $45 plan that covers them cheaply. The premium is the sticker. Total annual cost is the price you drive off the lot with.
Ask about Extra Help. If your income and assets are modest, Medicare’s Extra Help program can wipe out most of your premium and deductible, and the income limits are higher than most people assume. It’s one of the most underused ways to cut Medicare costs.
Check the pharmacy. Preferred pharmacies can mean dramatically lower copays than standard ones, and plans reshuffle their networks every year. Your corner drugstore may have been preferred in 2026 and not in 2027.
Get free, unbiased help. Your State Health Insurance Assistance Program, or SHIP, has counselors who do this for a living and don’t earn a commission. Call 1-877-839-2675 or find yours at shiphelp.org. Do it early; they get slammed after Oct. 15.
The bottom line
The government spent $9.8 billion to make your drug plan look cheaper than it is. Now the curtain comes down, and you get to see the real price. I’d rather you see it in October, with time to act, than in January on a bill.
Don’t let a plan you picked three years ago make this year’s decision for you. Thirty minutes on Plan Finder could be worth several hundred dollars in 2027. I can’t think of many better hourly rates.
If you want more open enrollment tactics, here’s a rundown. But start with the drug list. Everything else follows from that.
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