Real questions from real calls : and the reasoning behind the answers.
Somebody calls asking how much the Part D penalty is going to cost them, and by the time we’ve talked for ten minutes, that’s rarely the real question anymore. The real question is whether the drug plan they’re looking at — or the coverage they already have through work or the VA — will actually pay for what their doctor prescribes next year.
One woman said it about as plainly as anyone has:
“If I chose a low plan, and my premium for Part D is $20 a month… they order these medicines I’ve never been on, which I guess the plan I chose would not pay for the new drugs. Or how does that work?”
Another had gotten conflicting advice about his VA drug coverage and whether keeping it would end up costing him more later on. That confusion — is my coverage good enough, will my drug be covered, what happens if I guess wrong — is what this article is actually about. The penalty math is the easy part. The formulary, whether your specific drugs at your specific pharmacy are covered without a fight, is the part that actually costs people money.
Grab a time and I will tell you straight which path fits : and which does not.
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Why does the Part D penalty keep coming up on these calls?
It shows up in a few different disguises. Somebody’s still working and wondering if they need to add a drug plan at all. Somebody’s on VA care and has heard rumors pointing both directions. Somebody’s healthy, takes nothing, and doesn’t want to pay for coverage they figure they won’t use.
Underneath all three is the same worry, stated a little differently each time:
“If I go with the VA, their drug plan, and then later on down the road, I decide to switch to a Plan D — am I penalized for that because I didn’t get it during enrollment?”
The penalty exists for a simple reason. Medicare needs healthy people paying into the drug-plan pool now, not waiting until they’re sick to buy in. If there were no cost to waiting, almost nobody would carry drug coverage until they needed it, and the pool left behind would be sicker and more expensive for everyone in it. The penalty isn’t aimed at any one person. It’s a rule built to hold the system together.
What I ask before we talk about Part D at all
I don’t start with a plan. I start with the list. These are the questions that actually decide whether someone’s exposed to a penalty, a formulary problem, or both.
- What are you taking right now — every drug, exact dose? Formularies are built drug by drug, dose by dose. A medication can sit at a low tier on one plan and a high tier — or off the list entirely — on the plan next door.
- Do you have other drug coverage right now, and is it creditable? This is the word that actually decides the penalty question. “I have insurance” and “I have creditable coverage” are two different claims, and I’ve seen them confused more than almost anything else on these calls.
- Is your doctor talking about anything new coming up? Drugs that aren’t part of the conversation yet can end up mattering the most, because the plan you pick this year has to still make sense next year. One client asked me almost exactly this:
“I guess I would need to call my doctor’s office and explain to them what I’m looking at and ask them if they have Medicare patients with what I have and are able to get a different medication approach similar to Skyrizzy.”
- How long have you actually gone, or might you go, without any drug coverage at all? This is the number the penalty math runs on — not the plan you eventually pick, but the number of full months that passed with nothing in place.
- Where do you fill, and would mail order work for you? Some medications, controlled substances especially, can’t go through mail order at all, which changes which plan actually fits your life.
- 1What are you taking, exact doses?Formularies vary drug by drug, dose by dose
- 2Is your coverage creditable, confirmed?This decides the penalty question directly
- 3Anything new your doctor’s discussed?This year’s plan has to still fit next year
- 4How many months without coverage?This is the number the penalty math runs on
- 5Where do you fill, and can you mail-order?Some drugs can’t ship, which narrows plan fit
So, how much is the Medicare Part D late enrollment penalty?
Here’s the shape of it, without guessing at a number that changes every year. The penalty is calculated as a percentage — 1% for every full month you went without creditable drug coverage after your initial enrollment window closed — applied to a national base premium figure Medicare sets annually. That amount gets rounded and then added on top of whatever Part D premium you choose, for as long as you’re enrolled in Medicare drug coverage. It isn’t a one-time fee. It’s permanent, and it moves each year as the base number moves, which is exactly what worries people when they hear it described secondhand.
“Am I going to be penalized if I don’t? How does that work?”
The honest answer is: it depends entirely on whether the coverage you have right now counts as creditable, and whether anyone has confirmed that in writing. Employer plans, VA coverage, and retiree plans can all qualify — or not — and the only way to know for certain is to check, not to assume based on what a plan costs or how good it feels.
Timing makes this worse in a specific way. There’s often a gap between when your enrollment paperwork is due and when your actual coverage starts — a stretch one client described from the inside:
“There’ll be a buffer zone in there where they can take advantage of… well, you owe us this by this date, but your coverage isn’t going to start on this date, so you’re going to have to pay us the full amount upfront because you’re basically in the no-man’s zone for right now, which is where I’m at right now.”
That no-man’s-zone is where accidental gaps happen — not because someone chose to go without coverage, but because paperwork and start dates didn’t line up. It’s worth confirming your exact dates before you assume you’re covered.
For 2026, the standard Part D benefit has a $615 deductible, 25% coinsurance during the initial coverage stage, and a $2,100 annual out-of-pocket threshold on covered drugs. That structure is the same shape across plans. What isn’t the same is which drugs each plan actually covers, and at what tier — and that’s the part a premium number can’t tell you.
See where you land. If you would rather just talk it through with someone who does this every day, Most people can sort the direction quickly once the doctors, drugs, budget, and timing are on the table.
Where this usually lands: three real situations
Nearly every one of these conversations settles into one of three situations. Not because those are the only options, but because they cover most of what I hear.
Path one — enroll in a Part D plan now, matched to your actual drug list. You pay a monthly premium, sometimes low, sometimes zero. In exchange, you know today — not at the pharmacy counter next year — whether your medications are covered and at what tier. This fits someone on multiple medications, someone who expects that list to grow, or someone who simply doesn’t want the penalty math following them for life.
Path two — stay on employer or VA drug coverage, confirmed creditable. No new premium yet. In exchange, you carry the responsibility of getting written confirmation that the coverage counts, and of re-checking that status if anything changes — a new job, a smaller employer, a switch in how you actually use VA pharmacy benefits.
Path three — go without any drug coverage for a stretch, on purpose or by accident. This is the least common path, and usually the least intentional. It saves money in the exact months you go without it, and it adds a penalty that follows every Part D premium you ever pay afterward.
One client’s caution about all of this stuck with me:
“You’ve got to make sure you select the right set of benefits because you don’t want to be overlooking things like selecting Part D or whatever else it is or supplemental because there are some gaps there.”
Why I push people to check the formulary before the premium
If someone’s choosing between two Part D plans and one is ten dollars cheaper, I’ll ask about their drug list before I let the premium decide anything. The premium is the number on the page. The formulary is invisible until you’re standing at the pharmacy being told your medication needs a prior authorization, or isn’t covered at all.
The cost of guessing wrong isn’t abstract. One client described what a formulary fight actually looks like from the inside, years before Medicare was even part of the conversation:
“With my Crohn’s, I had to be on Humira… my gastro wanted me on it every week because my Crohn’s was very bad, and he had to fight with them to make it every week.”
That’s the version of “not covered” that doesn’t show up in a premium comparison — a doctor spending time arguing with a plan instead of treating the patient. A cheap plan that doesn’t cover what you actually take isn’t cheap. It’s a bill that arrives later, plus a delay in getting the medication in the meantime.
When skipping Part D now is actually fine
I’d be doing this topic a disservice if I only argued for enrolling early. There are real situations where waiting is the correct call, and I want to be just as clear about those.
When your coverage is genuinely creditable — and confirmed. Someone still working for a large employer with a strong drug benefit, or someone actively filling every prescription through VA pharmacy, can generally delay Part D without a penalty. The condition is confirmation, not confidence. Get it in writing, because “I have insurance” and “I have creditable coverage” are different claims, and the confused advice one client ran into is exactly why:
“Some people are saying, no, you don’t want to go with the VA because it’s not credible. And then if you stay with them and then you try to get… on with the Medicare, you’re gonna pay that… penalty.”
The nuance usually missed in that advice: VA drug coverage can absolutely count as creditable — but only if it’s actually functioning that way for you, not just available. If you’re enrolled but filling prescriptions elsewhere, or your usage doesn’t match how the VA benefit is structured, that’s worth checking directly rather than trusting a secondhand rumor either direction.
When you qualify for Extra Help. If your income and assets fall under the Extra Help thresholds, the penalty rules work differently, and that changes the whole calculation. This is worth confirming rather than assuming either way — qualifying can remove the penalty question almost entirely.
When you’re a genuinely low utilizer with reliable, creditable coverage already confirmed. Not everyone needs to rush. The people this fits are the ones who’ve actually checked the box marked “creditable,” not the ones who’ve assumed it.
What surprises people about this
Two things catch people off guard almost every time.
The first is that the penalty itself is often the smaller number in this whole conversation. The bigger cost, for most people, is a bad formulary match — paying full price for a drug that isn’t covered, or losing weeks to a prior-authorization fight — not the percentage added to next year’s premium.
The second is that the same drug can land in completely different places depending on how it’s given, and that changes what pays for it. I’ve had people who work inside the pharmaceutical industry explain this better than any training manual has: a drug given by IV in a doctor’s office falls under Part B, but the same drug reformulated for home, self-administered use can shift over to Part D — a different deductible, a different coinsurance, a different formulary tier entirely. Classification can surprise people too. A medication built and marketed as a chemotherapy drug can be prescribed off-label for something like rheumatoid arthritis, and land on a formulary in a place nobody thought to look.
None of this shows up by reading a premium number. It shows up when someone checks the actual list against their own medications, drug by drug.
Ready to check your drug list against a real formulary?
The Part D penalty is worth understanding, and now you have the shape of it. But the number that actually decides your year isn’t the penalty — it’s whether your specific medications, at your specific pharmacy, are covered without a fight.
If you want to run your drug list against actual formularies before you commit to anything, that’s exactly what I do on these calls. Book a time, or call (270) 721-5069, and bring your medication list — exact names and doses. We’ll go through it together and find out what the plans in front of you actually cover, not just what they cost.
Which side of that line are you on?
That is exactly the question a short Medicare conversation settles. You get me, not a call center.
Ready to find out where you actually stand?
I am an independent broker. I work with multiple carriers, which means I do not have a plan I need to sell you. What I have is a set of questions, and about fifteen minutes to find out which path fits.
Schedule a Medicare call
Pick a time. Bring your medications and doctors. That is the homework.
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Questions people ask me about this
How much is the Medicare Part D late enrollment penalty?
It’s calculated as roughly 1% of the national base beneficiary premium for every full month you went without creditable drug coverage after your initial enrollment window closed, rounded and added permanently to your monthly Part D premium. It changes each year as that base premium changes, so it isn’t a fixed dollar figure. Confirming whether your prior coverage was creditable is the real starting point.
What does ‘creditable drug coverage’ actually mean?
It means coverage that’s expected to pay, on average, at least as much as standard Medicare drug coverage. Employer plans, retiree plans, and VA drug benefits can all qualify, but qualifying is not the same as simply having insurance — get written confirmation rather than assuming.
Can VA drug coverage protect me from the Part D penalty?
It can, if it functions as creditable coverage for how you actually use it — meaning your prescriptions are genuinely filled through that benefit. Confirm this directly rather than relying on secondhand advice, since conflicting claims about VA coverage come up often.
What’s the 2026 Part D deductible and out-of-pocket cap?
For 2026, the standard Part D benefit has a $615 deductible, 25% coinsurance during the initial coverage stage, and a $2,100 annual out-of-pocket threshold for covered drugs. That structure is consistent across plans, but which drugs are covered and at what tier varies plan by plan.
Why does a cheap Part D plan sometimes cost more in the end?
Because the premium says nothing about whether your specific medications are on that plan’s formulary or what tier they sit at. A low-premium plan that doesn’t cover your prescriptions can mean paying full price at the pharmacy or going through a prior-authorization process, which usually costs more than the premium difference.
Does the Part D penalty ever go away?
Generally no — once it’s added, it stays part of your premium for as long as you’re enrolled in Medicare drug coverage, recalculated each year against the current base premium. Qualifying for Extra Help can change how the penalty rules apply, which is worth confirming if your income and assets are limited.
What should I bring to a call about this?
Your full medication list with exact doses, your pharmacy, and whatever paperwork you have about your current coverage — employer, VA, or a Part D plan. That’s what lets us check your actual formulary fit instead of just comparing premiums.
What this article was checked against
Facts and current-year figures were reviewed 2026-07-27 against these primary CMS sources:
- CMS Medigap overview : Medigap supplements Original Medicare; modern Medigap policies are not a substitute for separate outpatient prescription drug coverage.
- CMS final 2026 Part D redesign instructions : For 2026, the defined standard Part D benefit has a $615 deductible, 25% enrollee coinsurance in initial coverage, and a $2,100 annual out-of-pocket threshold for covered Part D drugs.
Keep reading
Start with the basics
- How to enroll in Medicare, step by step
- Medicare 101: the whole picture
- Part D prescription drug coverage
- Medicare Supplement (Medigap) explained
More questions I get asked
- How much does a Medicare prescription drug plan cost (and how people get trapped by the formulary)
- Medicare Advantage vs. Original Medicare: How I Actually Walk Clients Through It
- How long does Medicare cover cancer treatment : and where the real exposure is
- Does Original Medicare have an out-of-pocket maximum? Here’s how it actually works
- Can I Switch From Regular Medicare to an Advantage Plan?
- When to sign up for Medicare if still working (and you have employer coverage)
Find Medicare plans in your area
There are two different things here. First, if you want to see plan availability for your own ZIP code, use the plan lookup. That works by county, because Medicare Advantage and Part D availability changes at county lines. Second, the local county guides are an SEO/content library we are expanding to all 50 states, then down into county-level pages. Kentucky is the first live state layer, not the whole national structure.
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What clients say
Written by Michael Smith, licensed insurance broker and founder of Guardian Health & Wealth in Bowling Green, Kentucky. I help people across the country make sense of Medicare : and I will tell you when the popular answer is not your answer.
Drawn from real conversations over the years. I never share anyone’s personal information : just the thinking, so you can see how a decision like this gets made.