If you've lost your Medicare card, had it stolen, or just put it through the wash, replacing it is free and usually quick. You have a few ways to do it, and one of them gets you a usable copy in minutes. The steps below cover each option, how long a mailed card takes, and the one extra thing to do if your card was stolen rather than misplaced.
Start here: pick the way that fits
There's no cost to replace a Medicare card, no matter why you need one. The right method depends on whether you need the number today or can wait for mail.
The four ways to replace your card
Most people use one of the first two. All of them are free, and your Medicare number stays the same no matter which you choose.
1. Online at Medicare.gov. Sign in to your secure Medicare account, where you can print an official copy of your card right away or order a replacement to be mailed. This is the fastest route if you need the number for an appointment this week. The official rundown lives on the Your Medicare Card page.
2. Online with a my Social Security account. A free account at ssa.gov lets you request a replacement card as well. If you already use Social Security's site for other business, this may be the simpler door.
3. By phone. Call 1-800-MEDICARE (1-800-633-4227) and ask a representative to send a replacement. Useful if you'd rather not set up an online account.
4. Through the Railroad Retirement Board. If you get Railroad Retirement benefits, your Medicare card is issued by the Railroad Retirement Board rather than Social Security, so you'd contact the RRB for a replacement.
| Method | How fast | Good for |
|---|---|---|
| Medicare.gov secure account (print) | Immediate | You need the number today |
| Medicare.gov secure account (mail) | About 30 days | A physical card to keep |
| my Social Security account at ssa.gov | About 30 days | Existing SSA account holders |
| 1-800-MEDICARE phone request | About 30 days | No online account |
| Railroad Retirement Board | Contact RRB | Railroad retirees |
How long it takes, and how often you can ask
A mailed replacement card typically arrives in about 30 days. If that's too long for an upcoming appointment, use the print option in your Medicare.gov account instead, which gives you an official copy on the spot.
One limit to know: you can request only one replacement card per 30-day period. So if you order a mailed card and then realize you also want to print one, do it from the same online session rather than placing a second order.
Your Medicare number doesn't change
Replacing the card does not change your Medicare number. The card shows your Medicare Beneficiary Identifier, an 11-character code that since April 2018 replaced the Social Security number that used to print on Medicare cards. That change was a privacy protection, and your MBI stays the same when you get a new card, so any provider record tied to it still works.
If your card was stolen, not just lost
A misplaced card and a stolen one call for different responses. If you simply lost the card, replacing it is the whole task. If it was stolen, replace it and then watch for fraud, because a Medicare number in the wrong hands can be used for medical identity theft, where someone bills Medicare for care you never got.
Two steps protect you:
- Review your Medicare Summary Notices (or your plan's Explanation of Benefits) and compare the dates and services against care you actually received. Charges for visits, equipment, or services you don't recognize are the warning sign.
- Report anything suspicious. Call 1-800-MEDICARE, and see our guide to spotting and reporting Medicare fraud for the full process, including the Senior Medicare Patrol, a free program in every state that helps with exactly this.
Guard the card like a credit card
The simplest protection is treating your Medicare card the way you'd treat a credit card. Carry it only when you need it, keep it somewhere secure otherwise, and give the number only to providers and people who should have it. Medicare will never call you out of the blue to ask for your Medicare number, so an unsolicited request for it is a red flag, not a routine check.
Frequently asked questions
No. Replacing a lost, stolen, or damaged Medicare card is free through every official channel, whether you do it online, by phone, or through the Railroad Retirement Board.
Yes, if you use your secure account at Medicare.gov. It lets you print an official copy immediately. Mailed cards, by any method, take about 30 days.
No. Your Medicare Beneficiary Identifier (MBI) stays the same on a replacement card. The 11-character MBI replaced the Social Security number on cards back in April 2018.
You can request one replacement card per 30-day period. If you need the number sooner than a mailed card arrives, print a copy from your Medicare.gov account.
Replace it, then watch for fraud. Review your Medicare Summary Notices for services you didn't receive, and report anything suspicious to 1-800-MEDICARE. A stolen Medicare number can be used for medical identity theft.
Learn More
- What is Medicare? Parts A, B, C, and D explained
- Spotting and reporting Medicare fraud
- How to sign up for Medicare, step by step
Find personalized help managing your Medicare card and number at brevy.com.
The information on Brevy.com is for educational purposes only and is not a substitute for professional legal, financial, or medical advice. Rules vary by state and program and change frequently. Always verify with the relevant agency or a qualified professional. Brevy is not a law firm, financial advisor, or healthcare provider.