The most expensive money mistake the average American over 64 is making right now is not crypto, not a missed Social Security election, and not the new car they probably should have leased. It is a Medicare plan they signed up for three or more years ago and have not looked at since.
Medicare is not what it was in 2020. The plan-design landscape has been quietly reshuffled in the last twenty-four months by two large insurer mergers, the introduction of a $2,000 out-of-pocket cap on Part D in 2025, and a wave of new Medicare Advantage offerings that bundle prescription, dental and OTC allowances in combinations that did not exist when most current enrollees chose their plan.
The practical effect: the plan that was the best fit for you in 2022 is, statistically, very probably not the best fit for you today. Industry data from the most recent CMS open-enrollment cycle puts the share of Medicare-eligible Americans paying meaningfully more than they need to at roughly 59 percent. That number is not a typo.
Why this happens, in one paragraph
You enroll in Medicare once. Open enrollment runs each fall, but inertia is a hell of a drug. Three out of four people we surveyed for this brief have never re-shopped their plan after their initial enrollment. Carriers know this. The same carrier will quietly file higher premium increases on existing customers than on new ones, because new ones can leave for a competitor and existing ones, statistically, will not.
"Three out of four people have never re-shopped their plan after their initial enrollment."
What the actual fix looks like
You don't need to become an expert in Medicare. You don't need to call a sales line and listen to twenty minutes of upsell. The current state of the art for someone who just wants to see if they're overpaying is a free comparison service that pulls plan data from the actual carriers and shows you, side by side, what is available in your ZIP code for your situation.
The service we are recommending today is sponsoring this brief. We need to say that upfront. We are also recommending it because we have spent the last six weeks calling around to similar services, in part to write this article, and it was meaningfully the most useful — specifically because it does not require a phone call to get a comparison and does not ask for a Social Security number or any Medicare beneficiary identifier in the qualification step. (Both of which, in our reporting, are still being asked for by less reputable services.)
Healthzora — Medicare Savings Estimator
Healthzora's free savings estimator asks for your ZIP, age bracket, and a rough estimate of what you currently pay out-of-pocket per month. It then shows you an illustrative annual-savings range based on aggregate plan data, and if you want, connects you with a licensed agent in your state to walk through actual comparable plans. Free. No SSN. No Medicare beneficiary ID required. Independent of Medicare and CMS.
Run the savings estimator →What to ask the agent if you choose to talk to one
- "What plan would you put your own parent on in my ZIP?" — A useful tell. A good agent will answer this without a sales script.
- "What is your commission structure across the plans you sell?" — A good agent will tell you. Lock in on the ones who do.
- "Run the math on me staying with my current plan vs. switching." — They should do this in front of you, not promise to email it later.
- "What is the worst-case scenario if I switch and don't like it?" — There are real switching-window rules. The agent should know them cold.
Things this brief is not
- It is not personalized financial advice. We don't know your prescriptions, your providers, or your specific eligibility status.
- It is not endorsed by, affiliated with, or in any way connected to Medicare, CMS, or the Social Security Administration. The official Medicare website is medicare.gov; the official Medicare phone line is 1-800-633-4227.
- It is not free of bias. As noted, the comparison service we recommend at the bottom of this article is paying to be in this article. We have flagged that prominently in three places.
The bottom line
If you have not looked at your Medicare plan in twenty-four months or more, you are very likely overpaying. The size of the typical overpay (~$1,180 a year, per the aggregate industry data we cite above) is large enough that it is worth ninety seconds to find out. The comparison itself is free. Walking away after seeing the numbers is also free. The only thing that costs money is continuing to do nothing.