Medicare Part D Abroad: What Happens to Your Prescriptions When You Leave the US

If you're counting on Medicare Part D to cover your prescriptions when you retire abroad, here's the short answer: it won't. Not at the local pharmacy in Lisbon or Athens, not in an emergency, not at all — unless you're filling a prescription during a visit back to the US. The real decision isn't whether Part D will help you abroad (it won't), but whether you should keep paying for it anyway — and what to do about your medications once you go.

Figures on this page reflect 2026 Medicare rates published by CMS. Premiums and deductibles change annually — verify current amounts at medicare.gov before making decisions.

Kelly Milligan, founder of Expat Retire Guide

By Kelly Milligan

Updated May 1, 2026 · Published April 26, 2026

What Part D Actually Covers — and Where It Stops

Part D is a standalone private insurance plan (or included in a Medicare Advantage plan) that covers prescription medications dispensed at US pharmacies. The key word is US.

Part D covers prescriptions filled at US pharmacies only

Medications dispensed abroad — at any pharmacy, in any country — are not covered

Mail-order pharmacy benefits through your plan don't ship internationally

Emergency drug coverage abroad is not included

What that means for you day-to-day

Once you're living abroad, Part D provides zero benefit for day-to-day prescriptions. Its only remaining value is coverage for medications you fill during visits back to the US — and protecting you from the late enrollment penalty if you return permanently.

The Part D Penalty: Why Dropping It Can Cost You Forever

Drop Part D without maintaining other creditable drug coverage, then re-enroll later? You'll pay a permanent surcharge — every month, for life. The penalty is 1% of the national base beneficiary premium for every month you went without creditable coverage. In 2026, that base premium is $36.78/month.

Late enrollment penalty

Dropped for 1 year +$4.41/month forever ($53/year)

Dropped for 3 years +$13.24/month forever ($159/year)

Dropped for 5 years +$22.07/month forever ($265/year)

Dropped for 10 years +$44.14/month forever ($530/year)

Part D penalty vs. Part B penalty

The Part D penalty is smaller in dollar terms than Part B's — but it's still permanent. Part B penalties are calculated as 10% of the Part B premium per year without coverage ($202.90 base in 2026). Part D penalties are 1% of the national base drug premium per month without coverage ($36.78 in 2026).

The logic is the same. Medicare treated your absence from the risk pool as a choice — and when you come back, you pay for it. Permanently.

One important difference: creditable coverage

Unlike Part B, you can avoid the Part D penalty if you have other drug coverage that's considered "creditable" — meaning it's at least as good as standard Part D. Some international health insurance plans include prescription drug benefits that may qualify.

If you drop Part D and rely on international coverage for your prescriptions, keep documentation that your coverage was creditable. You'll need it if you re-enroll in Part D later.

Keep It or Drop It?

The decision depends on how permanently you're leaving and whether you have prescriptions you fill regularly.

No active prescriptions

Healthy and not taking regular medications

You don't have ongoing prescriptions and rarely use drug coverage.

The temptation is to drop Part D and save the premium. The risk is that health changes. If you develop a chronic condition abroad and eventually return to the US, you'll re-enroll into Part D — with a penalty for every month you went without coverage, starting from when you dropped it.

A low Part D premium (~$40/month) buys penalty protection. Unless you're certain you're not returning, that's usually worth it.

Keep Part D

Splitting time or likely returning

You'll be back in the US regularly and have prescriptions you fill there.

Part D premiums typically run $40–60/month, though plans vary widely. If you have ongoing prescriptions, coverage during US visits is worth keeping. And the penalty risk makes dropping it a bad bet unless you're certain you won't return.

Keep it. The penalty risk outweighs the savings on a trial or split-time arrangement.

Consider dropping

Fully relocating — no plans to return

You're leaving permanently, and your prescriptions will be managed abroad.

If you have creditable drug coverage through an international health insurance plan, you can drop Part D without incurring a penalty — as long as you document that coverage. Without creditable coverage, the penalty accrues every month you're without it.

Drop it only if you have creditable coverage abroad and can prove it. Otherwise keep it.

Getting Your Prescriptions Covered Abroad

Part D won't help once you're outside the US. Here's what actually works for managing prescriptions abroad.

International health insurance with Rx coverage

Many international health insurance plans include prescription drug benefits as part of their standard coverage. If your plan includes creditable drug coverage, you get two benefits: prescriptions covered abroad, and protection from the Part D penalty if you return.

Check your plan's Summary of Benefits and confirm in writing whether it meets the CMS creditable coverage standard.

Buy locally — it's often far cheaper

In most countries where US retirees relocate, prescription medications are dramatically cheaper than in the US — even without insurance. A month's supply of a common blood pressure or cholesterol medication that costs $50–100 in the US may cost $5–15 in Portugal, Spain, or Mexico.

Honestly, for many common generics, paying out of pocket at a local pharmacy is cheaper than keeping Part D. That can feel counterintuitive. It's worth running the numbers before you assume you need US coverage for your prescriptions.

Stockpile a supply before you go

Before leaving the US, work with your doctor to get a 90-day supply (or longer, if your plan allows) of any regular medications. Some insurers allow early refills for travel. This gives you time to establish local care and find a pharmacy abroad without a gap in medication.

Bring original prescription labels and documentation for everything you're carrying. Some medications classified as controlled in the US have a different legal status abroad — or are prohibited outright.

Frequently Asked Questions

Does Medicare Part D cover prescriptions filled abroad?

No. Part D only covers prescriptions dispensed at US-based pharmacies. Medications you fill at a pharmacy in another country — regardless of the drug or the country — are not covered. Emergency drug coverage abroad is also not included.

Can I drop Part D without a penalty if I move abroad?

Only if you have other drug coverage that qualifies as "creditable" — meaning it's at least as good as standard Part D. Some international health insurance plans include prescription benefits that meet this standard. If you drop Part D without creditable coverage, the late enrollment penalty accrues every month you're without it, and you'll pay it permanently when you re-enroll.

How do I know if my international health insurance counts as creditable coverage?

Ask your insurer in writing whether their plan meets the CMS creditable coverage standard. If they can't confirm it in writing, don't assume it qualifies. Keep that documentation — you'll need it if you re-enroll in Part D later to avoid the penalty.

What if I'm on a specialty or brand-name medication?

Not all medications available in the US are available abroad — or under the same name. Before you go, check whether your specific medication is available in your destination country, what it's called locally, and whether you'll need a local doctor to re-prescribe it. For biologics or specialty drugs, contact the manufacturer's international patient services — some have programs to assist with continuity of care.

Can I bring a supply of my medications when I move abroad?

Generally yes, but check the rules for your destination country before you travel. Some medications classified as controlled substances in the US (certain painkillers, benzodiazepines, stimulants) require additional documentation to bring into some countries — or may be prohibited outright. Check the destination country's health ministry or consulate, and bring original prescription labels and documentation for everything you're carrying.

Sources

Part D Late Enrollment Penalty — medicare.gov: Penalty calculation (1% per month without creditable coverage), the national base beneficiary premium, and creditable coverage rules.
2026 Part D Landscape File Overview — CMS: 2026 national base beneficiary premium ($36.78/month) used to calculate penalty figures on this page.
Medicare Coverage When Living Abroad — Medicare Interactive: Overview of what Medicare covers and doesn't cover for those living outside the US, including Part D.
What Is Creditable Prescription Drug Coverage — medicare.gov: CMS definition of creditable coverage and how it affects Part D enrollment.

Next: find a plan that covers your prescriptions abroad

International health insurance is your primary coverage once you're outside the US — and some plans include prescription drug benefits that count as creditable coverage. See which plans work for US retirees by age, destination, and coverage level.

Compare International Insurance Plans