David Sterling 
For most Americans the honest answer is: barely, and usually only after you have paid the hospital yourself. Employer and marketplace health plans are built around a domestic provider network, and every clinic in Europe sits outside it. Depending on the plan, care abroad is excluded, paid at a reduced out-of-network rate, or reimbursed after the fact against an invoice you submit on your return. Original Medicare generally does not cover care received outside the United States at all.
So the question worth answering before a trip is not “am I insured?” but “which document pays, in what order, and who pays the hospital on the day?” This article explains how to answer that from your own paperwork, and covers the two gaps that no US health plan fills. Your plan’s summary of benefits, and the certificate of insurance for any travel policy you buy, are the documents that actually control what happens. Nothing here overrides them.
Why a US health plan usually stops at the border
US health coverage runs on negotiated rates with contracted providers. Three parts of that machinery break the moment you leave the country.
- The network. Out-of-network benefits, where they exist at all, pay a percentage of an allowed amount that the insurer sets. A European hospital has no contract with your insurer and no reason to accept that amount, so any shortfall lands on you.
- Medical management. Plans that require prior authorisation for admissions, imaging or surgery generally still require it abroad. A foreign hospital will not call your insurer’s utilisation review line, so that call has to come from you, a family member, or an assistance company acting on your behalf.
- Billing. Domestic claims flow electronically from provider to insurer. Foreign claims usually do not. You pay, collect an itemised bill, and file it yourself, often with a translation and a currency conversion attached.
Many plans do carve out emergency care abroad, and that carve-out is worth finding. It is also narrower than it sounds. “Emergency” is defined inside the plan text, typically as a condition that a prudent layperson would judge to need immediate attention. Once you have been stabilised, follow-up appointments, physical therapy, elective procedures and repeat prescriptions generally fall outside it.
What your specific plan is likely to say
Different categories of coverage behave very differently outside the United States. Find your row, then open the document named in the third column and read that section before you travel.
| Coverage type | Typical behaviour outside the US | Where the answer is written |
|---|---|---|
| Employer or ACA marketplace plan | Out-of-network at best; some plans reimburse emergency care abroad after you pay, many exclude non-emergency care entirely | Summary of Benefits and Coverage, plus the “services outside the United States” or “out-of-area” section of the certificate |
| Original Medicare (Parts A and B) | Generally no coverage outside the US, with a small number of narrow geographic exceptions | The Medicare & You handbook and medicare.gov |
| Medigap (Medicare Supplement) | Standardized plans C, D, F, G, M and N include a foreign travel emergency benefit with a deductible, a coinsurance share and a lifetime maximum | Your Medigap policy and the standardized benefit chart |
| Medicare Advantage (Part C) | Varies by plan and by year; some include worldwide emergency or urgent care, many do not | The Evidence of Coverage for the current plan year |
| TRICARE | Has a dedicated overseas program with its own claim routes and provider rules | TRICARE Overseas Program materials |
| Short-term, student or health-share plans | Frequently exclude care received outside the US outright | Plan document or membership guidelines, exclusions section |
If you are on Medicare, the detail matters enough to deserve its own read: see what Medicare does and does not cover in Europe.
Who pays the hospital on the day
This is the practical distinction that people discover too late. There are two payment models, and they feel completely different at 2am in a foreign emergency department.
- Reimbursement. You settle the bill, then claim it back. Most US health plans that cover anything abroad work this way. It means the hospital’s payment terms become your problem, and a large admission can exceed a card limit.
- Direct payment or guarantee of payment. An assistance company contacts the hospital and confirms it will pay, so you are not asked for the full amount up front. This is a normal feature of travel medical policies and is not usually a feature of domestic health plans.
A related question is whether cover is primary or secondary. Secondary cover pays only after your own health plan has been billed and has responded, which adds a step and a delay. The difference is explained in more detail in primary versus secondary travel medical cover.
The two gaps no US health plan fills
Even a generous domestic plan that reimburses emergency treatment abroad typically leaves two things uncovered, and they are the two most expensive line items a traveller can face.
Emergency medical evacuation. If the nearest adequate facility is in another city or another country, or if you need to be moved home under medical supervision, that transport is a separate benefit with its own limit. Health plans generally do not include it. Travel policies express it as a distinct figure, and the size of that figure is the whole point: see what an evacuation limit needs to be.
Repatriation of remains. Also a separate, distinct benefit on travel policies, and not something a domestic health plan addresses.
European health systems are not a backstop
Two assumptions cause trouble here. The first is that the European Health Insurance Card applies. It does not. The EHIC, and the UK’s equivalent card, are for residents of the participating countries, and a US passport holder is not eligible. The second is that reciprocity exists. The United States does not have the kind of reciprocal healthcare arrangements with European countries that those countries have with each other.
What is true is that emergency departments in Europe will generally treat an emergency without asking about insurance first. You will still be billed afterwards as a private, non-resident patient, and what you are billed varies enormously by country, by whether the facility is public or private, and by what treatment you needed. Ambulance transport, repatriation and any follow-up care are separate matters again.
What travel medical insurance adds
A travel medical policy is a short-term, destination-agnostic product designed for exactly this gap. The features that matter are structural, and they are the ones to compare across quotes:
- An emergency medical limit for the trip, stated as a single figure.
- A separate emergency evacuation and repatriation limit.
- Whether the medical cover pays primary or secondary to your own health plan.
- A 24/7 assistance line that can arrange a guarantee of payment.
- How pre-existing conditions are handled, and whether a waiver is available and by when.
- The deductible and any coinsurance share.
- Exclusions for activities you actually intend to do, such as skiing, motorcycling or diving.
If you are still deciding how much of this you need for a specific trip, start with the broader overview of what US travellers to Europe actually need.
What this means: Assume your US health plan will not pay a European hospital directly, and check three lines before you go: whether care outside the US is covered at all, whether emergency care abroad is carved out, and whether evacuation is included. If the answer to the third is no, which it usually is, that gap is the reason to buy a travel medical policy rather than rely on what you already have.
Frequently asked questions
Does my credit card cover medical treatment in Europe?
Card travel protections cluster around trip delay, baggage and rental cars. Emergency medical treatment cover is far less common on US cards, and where an evacuation or assistance service is offered it may be a service you pay to use rather than insurance that pays a claim. The Guide to Benefits for your specific card and issue date is the only document that governs, and these terms are changed periodically.
My plan says it covers emergencies worldwide. Is that enough?
It depends on three things the sentence does not tell you: whether the plan pays the hospital or reimburses you afterwards, what happens to care after you are stabilised, and whether evacuation is included. Evacuation almost never is. Read the paragraph, not the marketing line.
Will a European hospital treat me if I have no insurance?
For a genuine emergency, generally yes. You will be billed afterwards, and private clinics in particular may ask for payment or a deposit before non-urgent treatment. Being treated and being able to pay for it are separate problems.
Do I have to show proof of insurance to enter Europe?
US passport holders on short visits are not asked for it at the border. The specific requirement for medical cover of at least EUR 30,000 applies to people applying for a Schengen visa, which most US citizens do not need for short stays. If a visa is involved, the rule is strict and specific.
