Yes, Medicare works in all 50 states, but coverage details change depending on where you are and what type of plan you have
Your Medicare coverage follows you across state lines. Original Medicare (Parts A and B) is accepted nationwide at any hospital or doctor that takes Medicare. However, if you have a Medicare Advantage plan (Part C) or a prescription drug plan (Part D), your coverage may work differently outside your home state, and you may pay more or have fewer in-network providers to choose from.
The key difference is between Original Medicare, which is the same everywhere, and managed care plans (Advantage and drug plans), which have networks that vary by state and sometimes by county. Before you travel or move, knowing which type of plan you have and what it covers elsewhere takes a few minutes and can save you hundreds of dollars in unexpected bills.
Key Takeaways
- Original Medicare (Parts A and B) covers you at any Medicare-accepting hospital or doctor anywhere in the United States.
- Medicare Advantage plans have state and county-specific networks, so you may pay more or have no coverage if you see an out-of-network provider while traveling.
- Prescription drug plans (Part D) have different formularies and pharmacies by state, so your medications may cost more or be unavailable in another state.
- If you are moving to another state permanently, you can change your Advantage or drug plan during the move, even outside the normal enrollment period.
- For temporary travel, calling your plan ahead of time to confirm coverage and find in-network providers in your destination state prevents surprises at the doctor's office.
How Original Medicare works across state lines
If you have Original Medicare (Part A hospital insurance and Part B medical insurance), your coverage is identical in every state. Any hospital, doctor, or specialist that accepts Medicare will accept your card, and you will pay the same copay, coinsurance, or deductible whether you are in Maine or California.
This means you can travel for weeks or months, move to a new state, or split time between two homes without worrying that your coverage will change. You do not need to notify Medicare or change your plan. Your Medicare card works the same way everywhere.
The catch is that Original Medicare does not cover routine care outside the United States. If you travel internationally, you will pay out of pocket unless you buy a separate travel insurance policy that covers medical care abroad.
Medicare Advantage plans and out-of-state travel
Medicare Advantage plans (sometimes called Part C or "Medigap alternative" plans) are run by private insurance companies and have networks of doctors and hospitals in specific states or regions. If you travel out of state with an Advantage plan, you may face higher costs or no coverage at all, depending on whether the provider you see is in your plan's network.
Most Advantage plans cover emergency care anywhere in the United States, even out of network. If you have a heart attack or serious injury while traveling, the plan will pay. However, routine doctor visits, specialist appointments, or planned procedures outside your home state may not be covered, or you may have to pay the full bill upfront and request reimbursement later.
Before traveling, call your Advantage plan's customer service number (on the back of your card) and ask whether your destination state is in your network. Ask for the names of in-network doctors or hospitals near where you will be staying. Some plans have partnerships with other insurers in other states that extend your network; others do not.
Prescription drug coverage when you travel or move
Medicare Part D prescription drug plans have different formularies (lists of covered medications) and different pharmacy networks in each state. A medication that costs $10 in your home state may cost $50 in another state, or it may not be covered at all.
If you are traveling for a short time, ask your pharmacy to fill a 90-day supply before you leave, or ask your doctor for a written prescription you can fill at a pharmacy in your destination state. If you are moving permanently to another state, you can change your drug plan during the move without waiting for the annual enrollment period (October 15 to December 7).
To change your plan after a move, contact Medicare at 1-800-MEDICARE or log into Medicare.gov. You will need to provide proof of your move, such as a lease, utility bill, or change of address form from the post office. The change takes effect the first day of the month after you request it.
What to do if you are moving to another state permanently
If you are relocating, you have a window to change your Medicare Advantage or drug plan without penalty. This is called a change of address exception, and it allows you to switch plans outside the normal enrollment period.
Contact your current plan and tell them you are moving. They will confirm your new address and may ask for documentation. At the same time, visit Medicare.gov or call 1-800-MEDICARE to see what plans are available in your new state. You can compare plans by coverage area, cost, and providers. Once you choose a new plan, your old plan will end and your new plan will begin on the first day of the next month.
If you are happy with Original Medicare, you do not need to do anything. Your coverage will continue exactly as it is. However, if you have a Medigap supplemental plan (which works with Original Medicare), check whether your current plan is available in your new state. Some Medigap plans are not sold in all states, and you may need to switch to a different plan.
Emergency care and urgent situations while traveling
All Medicare plans, including Advantage plans, cover emergency room visits and urgent care anywhere in the United States. If you have chest pain, a severe injury, or another life-threatening condition while traveling, go to the nearest emergency room. Medicare will pay, even if the hospital is out of network.
After the emergency is resolved, ask the hospital for an itemized bill and a summary of your care. If you have questions about what Medicare paid or what you owe, call your plan's customer service number. Keep copies of all bills and explanations of benefits in case you need to dispute a charge later.
How to find Medicare providers in another state
Use the Medicare Provider Search tool on Medicare.gov to find doctors, hospitals, and specialists that accept Medicare in any state. Enter your destination city or zip code and the type of provider you need. The tool will show you which providers accept Original Medicare and which are in-network for specific Advantage plans.
If you have an Advantage plan, also call your plan directly. The customer service team can give you a list of in-network providers in your destination area and may be able to arrange a referral or prior authorization before you travel. Having this information ahead of time prevents you from arriving at a doctor's office only to learn they do not accept your plan.
If you use mail-order or specialty pharmacies, confirm that they operate in your destination state. Some pharmacies are licensed only in certain states and cannot ship to others.
Frequently Asked Questions
Can I use my Medicare Advantage plan in another state for a vacation?
Emergency care is covered anywhere. For routine visits, it depends on your plan's network. Call your plan before you travel and ask whether providers in your destination are in-network. If not, you may pay the full cost unless you buy travel insurance.
What happens to my Medicare if I move to another state?
Original Medicare continues without any change. If you have an Advantage or drug plan, you can switch to a different plan in your new state without waiting for open enrollment. Contact your current plan and Medicare to start the process.
Does Medicare cover me if I travel outside the United States?
Original Medicare does not cover routine care outside the U.S. Some Advantage plans offer limited international coverage, but it is usually minimal. Consider buying a travel insurance policy that covers medical care abroad before you leave.
Can I use my prescription drug plan in another state?
Your plan may work, but your medications may cost more or not be covered. Call your plan or pharmacy before you travel. If you are moving permanently, you can switch to a plan available in your new state.
How do I know if a doctor accepts Medicare in another state?
Use the Medicare Provider Search tool on Medicare.gov, or call your plan's customer service number. They can tell you which providers in your destination area accept your specific plan.