How to obtain your Medicare card
You receive a Medicare card automatically once you turn 65 and meet the basic requirements — you do not have to request one. Social Security sends the card by mail about two weeks before your 65th birthday. If you are already 65 and do not have a card, or if yours is lost or damaged, you can request a replacement through Social Security's website, by phone, or in person at a local Social Security office.
The card itself is not what makes you covered. Your coverage begins on the first day of the month you turn 65, whether or not the physical card has arrived. You can use your Social Security number as proof of Medicare coverage until the card reaches you.
Key Takeaways
- Social Security mails your Medicare card automatically about two weeks before your 65th birthday; you do not need to request it.
- Your coverage starts on the first of the month you turn 65, even if the card has not arrived yet.
- You can request a replacement card online through ssa.gov, by calling Social Security at 1-800-772-1213, or at your local Social Security office.
- If you are not yet receiving Social Security benefits, you must contact Medicare directly at 1-800-MEDICARE to enroll before your 65th birthday.
- A replacement card takes about two weeks to arrive by mail.
When your card arrives automatically
If you are already receiving Social Security retirement or disability benefits when you turn 65, Social Security automatically enrolls you in Medicare Part A and Part B. Your card is mailed to the address on file with Social Security about 14 days before your birthday. You do not have to do anything.
The card shows your Medicare number (which is your Social Security number followed by a letter), your name, the date coverage begins, and which parts of Medicare you have. Keep it in a safe place, but do not carry it in your wallet every day — your Medicare number is sensitive information.
If you are not yet receiving Social Security benefits
If you are 65 or older but have not started taking Social Security retirement benefits, you must contact Medicare yourself to enroll. Social Security does not automatically sign you up. Call 1-800-MEDICARE (1-800-633-4227) or visit Medicare.gov to enroll in the parts of Medicare you want.
You have a window of time around your 65th birthday to enroll without penalty. If you delay past that window and do not have other health coverage, you may pay a higher premium for Part B or Part D for as long as you have Medicare. The exact penalty depends on how long you waited.
Requesting a replacement card
If your card is lost, stolen, or damaged, you can request a replacement through Social Security. You have three options: go online at ssa.gov, call 1-800-772-1213 (TTY 1-800-325-0778), or visit a local Social Security office in person.
Online is usually the fastest. Go to ssa.gov, select "Replacement Social Security Card," and follow the steps. You will need to verify your identity. A replacement card takes about two weeks to arrive by mail. If you need proof of Medicare coverage before the card arrives, you can print a temporary notice from Medicare.gov or call 1-800-MEDICARE to request one by mail.
What to do if the card does not arrive
If two weeks have passed since your 65th birthday and you have not received your card, contact Social Security at 1-800-772-1213. Have your Social Security number ready. They can confirm whether the card was mailed and to which address, and can remail it if needed.
Do not wait for the card to enroll in Medicare if you are not automatically enrolled. Your coverage date is based on when you enroll, not when the card arrives. If you miss your enrollment window, you may face penalties.
Using your Medicare number before the card arrives
Your Medicare coverage is active on the first of the month you turn 65, even if the physical card has not arrived. Doctors, hospitals, and pharmacies can look up your coverage using your Social Security number. You can also create a Medicare.gov account to view your coverage details online.
If a provider says they cannot process your claim without the card, give them your Social Security number and tell them your coverage began on a specific date. If the problem persists, call 1-800-MEDICARE and they can provide a temporary proof of coverage document.
Protecting your Medicare card and number
Your Medicare number is the same as your Social Security number, so treat it carefully. Do not share it by email, text, or phone unless you initiated the call to a known Medicare or Social Security number. Scammers sometimes call claiming to be from Medicare and ask for your number.
Store your card at home in a safe place, not in your wallet. If someone asks for your Medicare number in person, ask why they need it and verify they work for the organization they claim to represent. Medicare and Social Security will never call you unsolicited asking for your number.
Frequently Asked Questions
Can I use my Social Security number instead of my Medicare card?
Yes. Your Medicare coverage is tied to your Social Security number, and providers can look it up in their system. You do not need the physical card to receive care, though having it makes the process faster. If a provider insists on the card, provide your Social Security number and your coverage start date.
What if I moved and Social Security has the wrong address?
Update your address with Social Security before your 65th birthday if possible. Go to ssa.gov, call 1-800-772-1213, or visit a local office. If the card was already mailed to an old address, request a replacement to be sent to your current address.
Do I need to do anything special if I am still working at 65?
No. You can enroll in Medicare at 65 even if you are still working and have employer health insurance. You may want to delay Part B if your employer has 20 or more employees, but you should still enroll in Part A. Contact Medicare to discuss your specific situation.
How do I know if my Medicare card is real?
Real Medicare cards are mailed by Social Security and show your name, Social Security number with a letter suffix, and your coverage start date. They do not have photos. If you receive a card you did not request or it looks unusual, call Social Security at 1-800-772-1213 to verify it is legitimate.
What if I turned 65 years ago and never got a card?
Request a replacement card through Social Security at ssa.gov, by calling 1-800-772-1213, or at a local office. If you were automatically enrolled in Medicare at 65, your coverage is already active — the card is just a record of that coverage. If you were not automatically enrolled, contact Medicare at 1-800-MEDICARE to enroll now.