Medicare covers a lot of your healthcare in retirement, but it was never built to cover everything. Knowing what Medicare doesn’t cover now, before you’re staring at a bill, is what separates a manageable gap from a budget crisis. This guide walks through every major category, with real numbers and a plan for each one.
The Quick List: What Medicare Doesn’t Cover
Here’s the short version of what Medicare doesn’t cover under Original Medicare (Parts A and B):
- Routine dental care, including cleanings and dentures
- Routine vision exams and most eyewear
- Hearing aids and most hearing exams
- Long term custodial care
- Most care outside the United States
- Cosmetic procedures
- Routine foot care in most cases
- Prescription drugs, unless you add Part D
Each of these gaps hits differently depending on your health and lifestyle, so it’s worth going through them one at a time.
Dental and Vision Coverage Medicare Doesn’t Cover
Dental is the single biggest surprise on this list. Original Medicare does not pay for cleanings, fillings, extractions, or dentures. It also skips routine eye exams for glasses and most eyewear itself.
According to the 2025 CareScout Cost of Care Survey, the national median cost of a private nursing home room is now $129,575 a year, and a semi-private room runs $114,975 a year. That single figure is why long term care planning deserves its own line item separate from your regular Medicare budget.
A full set of dentures typically runs $1,500 to $3,000. A pair of hearing aids can run $2,000 to $6,000 for the pair. Neither is covered by Original Medicare, which is why these two categories alone push many retirees toward a Medicare Advantage plan or a standalone dental and vision policy.
Long Term Custodial Care – What Medicare Doesn’t Cover
This is the most expensive item in what Medicare doesn’t cover, and the one people most often assume is included. Medicare will pay for a limited stay in a skilled nursing facility after a qualifying hospital stay, but it will not pay for ongoing custodial care, meaning help with bathing, dressing, eating, or daily living, whether that happens at home, in assisted living, or in a nursing home.
The national median cost of a private nursing home room is well over $100,000 a year. That single figure is why long term care planning deserves its own line item separate from your regular Medicare budget.
Prescription Drugs Medicare Doesn’t Cover Without Part D
Original Medicare does not include prescription drug coverage on its own. This piece of what Medicare doesn’t cover is easy to fix, but only if you act during your enrollment window. A standalone Part D plan, or a Medicare Advantage plan that bundles drug coverage, fills this gap.
Skipping Part D when you’re first eligible can also trigger a late enrollment penalty that follows you for as long as you have Medicare, so this is one gap worth closing early rather than waiting.
Care Outside the US Medicare Doesn’t Cover
If retirement travel or part time living abroad is part of your plan, add this to your list. Medicare generally does not pay for care received outside the United States, aside from a few narrow exceptions near the Canadian and Mexican borders.
Anyone planning extended trips should budget for a separate travel medical policy rather than assuming Medicare travels with them.
Cosmetic Procedures and Foot Care Medicare Doesn’t Cover
Cosmetic surgery that isn’t medically necessary falls outside Medicare, though reconstructive surgery after an accident or a mastectomy is treated differently and is generally covered.
Routine Foot Care Medicare Doesn’t Cover
Routine foot care, such as nail trimming and callus treatment, is another item Medicare doesn’t cover for most people. The exception is if you have a condition like diabetes that causes related nerve damage, in which case some foot care becomes medically necessary and gets covered.
What To Do About What Medicare Doesn’t Cover
Once you know where the gaps are, the fix usually comes down to one or two of these options, layered together rather than chosen alone.
Medigap helps with your out of pocket costs under Original Medicare, like copays and deductibles, though it doesn’t add dental, vision, or hearing benefits on its own.
Medicare Advantage plans often bundle in dental, vision, and hearing extras that address some of what Original Medicare skips, though the specific benefits vary a lot by plan, so compare the fine print rather than assuming they’re all the same.
Long term care insurance, bought in your 50s or early 60s while premiums are lower, is the main private market answer to the custodial care gap.
Before you commit to any combination of these, it helps to see the actual numbers side by side. You can run your own what Medicare doesn’t cover math against your retirement income with our Retirement Corpus Calculator, which shows how a few thousand dollars a year in uncovered costs plays out over a full retirement.
Bottom Line
Medicare is a strong foundation, but understanding what Medicare doesn’t cover, dental, vision, hearing, long term care, drugs without Part D, care abroad, and cosmetic work, lets you close the gaps with a Medigap plan, Medicare Advantage, or a dedicated savings fund before the bill arrives instead of after.
This is for informational purposes only and isn’t financial, tax, or legal advice.
Raghu Shekar writes about personal finance, banking, Medicare, and retirement planning at SimpleUSAFinance. His goal is simple: break down the numbers people actually need — no jargon, no sales pitch — so readers can make their own decisions with confidence. When he’s not writing, he’s usually digging through the latest rate changes, tax brackets, or Medicare updates to keep the site’s calculators and guides current.