Healthcare Abroad and Medicare

Does Medicare cover you when you’re overseas? Almost never. Medicare effectively stops at the U.S. border, which means the retiree dreaming of a place in Portugal or six months a year in Mexico is paying premiums for coverage that goes dark the moment they land. That mismatch needs a plan, not a surprise.

This catches a particular kind of person: the cross-border family, the snowbird who picked a warmer country instead of a warmer state, the retiree chasing a lower cost of living abroad. I work with cross-border families, and this is one of the first things that has to get sorted, because the instinct to “keep Medicare just in case” can quietly waste money.

The border rule

Original Medicare (Parts A and B) does not pay for care received outside the United States, with only a few narrow exceptions involving emergencies near the border or on certain ship routes. For practical purposes, if you need care while living or traveling abroad, Medicare isn’t paying.

That creates an awkward question. Do you keep paying the Part B premium, $202.90 a month in 2026 before any surcharge, for coverage you can’t use while you’re gone? And if you drop it to save money, what happens when you come back?

The drop-it trap

Here’s the second-order cost that bites people who try to be frugal. If you drop Part B while living abroad and later return to the U.S. and want it back, you face the late-enrollment penalty: a permanent 10% surcharge on your premium for every 12 months you went without it, plus a wait for the next enrollment period before coverage resumes.

So the move that saves you a premium overseas can cost you a lifetime surcharge when you come home. For someone who’s genuinely gone for good, dropping it may be right. For anyone who might return, even years later, keeping Part B is often the cheaper decision once you price the penalty. This is precisely the kind of hidden price the simple “why pay for what I can’t use” logic misses.

How care abroad actually gets paid

If Medicare won’t cover you overseas, something else has to:

• Local private insurance. In many countries, private health coverage is far cheaper than in the U.S., and an expat policy can be affordable and comprehensive.
• The national health system. Some countries let legal residents into their public systems, sometimes at modest cost, which changes the math on keeping U.S. coverage at all.
• International or expat health plans. Designed for people living outside their home country, these cover you across borders in a way Medicare won’t.
• Travel medical insurance for shorter trips, which covers emergencies abroad for a defined period.

For the part-year retiree who keeps a U.S. home base, the usual answer is to keep Medicare for the months you’re stateside and layer travel or expat coverage for the months you’re not. For the full-time expat, the question becomes whether U.S. coverage is worth keeping at all, weighed against the penalty risk of dropping it.

The Medigap and Advantage wrinkle

Coverage type matters here too. Some Medigap policies include limited foreign-travel emergency coverage, often for the first 60 days of a trip, which can be a reason to favor Medigap over Medicare Advantage if travel is central to your retirement. Advantage plans, built around domestic networks, are generally a poor fit for someone who spends large stretches abroad. If international living is the plan, that should weigh on the Medigap-versus-Advantage choice from the start.

What to decide before you go

• Confirm Medicare won’t cover you where you’re headed. Assume it won’t, barring the narrow exceptions.
• Decide whether to keep Part B, pricing the late-enrollment penalty against the premium you’d save if you might ever return.
• Line up local, expat, or travel coverage for the time you’re abroad, before you leave.
• Favor Medigap over Advantage if frequent international travel is part of the picture.
• Coordinate residency and taxes, since living abroad touches far more than healthcare.

Medicare stops at the border, and the dream of retiring abroad runs into that fact fast. The premiums keep coming whether you can use the coverage or not, and the penalty for dropping it can outlast the savings. Decide the coverage question before you pack, not after you’re sitting in a foreign clinic wondering what your U.S. card is good for. Here, it’s good for almost nothing.