Every plan has four numbers that matter, and the one printed largest in advertising is the one that tells you least about what a year will actually cost.
The four numbers
What you pay monthly. Predictable, visible, and the only one most comparison tools lead with.
What you pay before the plan starts paying. The amount you cover yourself first, each year, before most benefits begin.
What you pay per use after that. A share of each visit, procedure or prescription.
The most you could pay in a year. The ceiling. After you reach it, the plan covers the rest for the remainder of the year.
Any single one of those is misleading. Together they describe the plan.
The trade, stated plainly
Plans with a low monthly cost generally have a higher amount you pay before coverage starts, a higher share per use, and a higher ceiling. Plans with a high monthly cost reverse it.
This is not a trick. It is how the arithmetic has to work. The question is not which plan is cheaper — it is which shape of cost suits your year.
Two people, same plan, different answers
Someone who sees a doctor twice a year for routine things will usually do well on a low-monthly, high-exposure plan. They will not reach the amounts where it stings.
Someone managing a condition, taking regular medication, or with a procedure scheduled will usually do better with a higher monthly cost, because they are going to arrive at the other numbers regardless.
The mistake is not picking either one. The mistake is picking without knowing which person you are.
The worst case is the number to look at
If you want a single number to compare, use the last one — the most you could pay in a year — alongside the monthly figure.
Together they answer both questions that matter: what does this cost me when nothing happens, and what does it cost me when something does. That pair is far more informative than the monthly cost alone.
Where the fallacy does real damage
Three situations, all of which we see:
Marketplace shoppers who qualify for cost-sharing help. That help is generally only on Silver plans. Buying Bronze for the lower monthly figure can mean giving up assistance worth considerably more than the difference.
People with a prescription they take every month. The monthly premium is not where their money goes. The formulary tier is.
People who choose on price and lose their doctor. Switching back the following year is possible; getting the same specialist back mid-treatment sometimes is not.
What to do instead
- Write down what you actually used last year. Visits, prescriptions, procedures.
- Assume next year looks similar unless you know it will not.
- Compare plans on all four numbers against that usage.
- Check the network and formulary before comparing cost at all.
- Choose the shape that fits, not the number that is smallest.
We will lay out the four numbers side by side for the plans we can offer, against your actual usage rather than an average. We will also tell you when the plan you already have beats everything on our shelf — that happens, and saying so is the job.
For the complete market, including plans we cannot sell, HealthCare.gov and the Medicare Plan Finder are free and independent.
Where to check this independently
Nothing on this page is advice about your situation, and none of it replaces the free sources. The Medicare Plan Finder,1-800-MEDICARE, your SHIP counsellor andHealthCare.gov are free, independent, and show plans we cannot sell.
Healthbase is a licensed insurance agency, not a government agency and not connected with Medicare or any federal or state program.