Medicare Is Not Sending Plastic Chip Cards. Yours Is Paper

Someone calls and says Medicare is switching everyone to a new plastic card with a security chip. They need to verify a few details before yours goes out.

Medicare does not issue plastic cards. It has never issued a card with a chip. Yours is paper and it stays paper.

What makes this one land right now is that genuine replacement cards really are arriving. That is why the call sounds plausible, and it is why knowing the difference matters more this year than last.

What is genuinely happening in 2026

The Centers for Medicare and Medicaid Services is reissuing cards with new Medicare Beneficiary Identifiers to roughly 1.3 million people. The new numbers took effect on 14 April 2026, and cards have been arriving in mailboxes since.

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The reason is a fraud case in which more than 300 people across all 50 states were charged with Medicare and Medicaid fraud. Numbers exposed in that case are being replaced as a protective measure.

Four things are true about the real cards:

• They are paper. Not plastic, no chip, no hologram.
• They arrive with a letter from Medicare explaining why a new number has been issued.
• Nothing needs activating. There is no number to call, no website to visit, no identity to verify.
• Not everyone gets one. Most people keep the card they already have.
• Telehealth privacy and billing

Set against that, the scam gives itself away instantly.

The four versions in circulation

The Senior Medicare Patrol lists the current scripts. They are worth reading as a set, because they contradict each other, which is how you know none of them is real.

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1. "You are getting a new plastic Medicare card." No such card exists.
2. "Medicare is switching to a card with a chip." Also does not exist.
3. "It is a new year, so you need a new card." Medicare cards do not expire annually. The last full reissue for everyone ran from 2018 to April 2019.
4. "We need your Medicare number to check whether your new card has been sent." Medicare already knows. It does not need you to read the number back.

There is also a mailed version. Fake plastic cards are being posted out, laminated and glossy, sometimes with a fake hologram, alongside a letter telling you to call a number to activate. The Senior Medicare Patrol has issued a direct warning: if you are mailed a plastic Medicare card, do not activate it.

Why your Medicare number is worth so much

The card looks harmless. No PIN, no balance, nothing to spend.

To a criminal it is close to a blank cheque, because Medicare pays claims submitted under that number. Someone can bill for care you never received: back braces, knee braces, wheelchairs, diabetic supplies, expensive genetic tests. Then they can sell the number on so somebody else can do it again.

The National Health Care Anti-Fraud Association estimates that Medicare and Medicaid fraud costs taxpayers more than $100 billion a year. A large share of it begins exactly like this, with one call and one number read out loud.

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The part that catches people out

Nothing happens straight away.

No alert arrives. Your card still works. Your doctor still sees you. There is no moment where you find out.

The consequence surfaces later, and sideways:

• A bill for a clinic visit in a state you have never been to
• Your doctor orders a knee brace you actually need, and Medicare refuses it because their records show you already received one
• A collection agency calling about equipment you never ordered
• Telehealth privacy and billing

That third one is the cruellest. Fraudulent claims can use up benefits you are entitled to, so the damage is not only financial.

What Medicare will never do

1. Call you first asking for your Medicare number. Medicare already has your information and does not need to confirm it by phone.
2. Ask for your Social Security number, bank details, or a card number. Not to activate anything, not to verify anything.
3. Send a plastic card, or a card with a chip. There is no such programme.
4. Charge you for a new card. Replacement cards are free.
5. Threaten to cancel your coverage if you do not act today. Benefits do not work that way.

If a government office genuinely needs something from you, a letter arrives first, stating what is needed.

Two numbers to keep by the phone

This is the practical part, and it works better than any list of warning signs.

1-800-MEDICARE (1-800-633-4227). Call this to check whether anything is genuine. If you receive mail from Medicare and are unsure, ask them directly. It is free and it is the official line.

1-877-808-2468. The Senior Medicare Patrol, which helps people spot and report Medicare fraud, with an office in every state.

Write both on a card and keep it where you take calls. When somebody has just told you your benefits are at risk, having the real number in front of you is what makes hanging up possible.

A script for the moment it happens

You do not need to argue or work out whether the caller is genuine. One sentence covers every version:

"I do not give my Medicare number over the phone. I will call Medicare myself."

Then hang up and dial 1-800-MEDICARE. Never a number the caller gave you, never a number printed on a letter that arrived with a plastic card.

A real caller would not object. A scammer will explain why that is not possible, and that objection is your answer.

Check your statements, because most people never do

This is where fraud is actually caught, and it takes a few minutes every three months.

• Read your Medicare Summary Notice when it arrives, or check claims at medicare.gov.
• Look for services you did not receive, doctors you have never seen, and equipment you never ordered.
• Keep a note of your appointments so you have something to compare against. A simple diary is enough.
• Question duplicates. The same item billed twice is one of the most common signs.
• Telehealth privacy and billing

Treat your Medicare number the way you treat your card number. Give it to your doctor and your pharmacist. Nobody else.

If you already gave the number out

1. Call 1-800-MEDICARE and tell them your number may have been compromised. They can flag the account and advise whether a new number is warranted.
2. Report it to the Senior Medicare Patrol on 1-877-808-2468 or at smpresource.org. They work directly on Medicare fraud cases.
3. Report to the HHS Office of Inspector General at oig.hhs.gov, which investigates healthcare fraud.
4. Report to the FTC at reportfraud.ftc.gov.
5. If you also gave a Social Security number, start a recovery plan at IdentityTheft.gov.
6. Watch your statements closely for the next year. Fraudulent billing usually appears weeks or months later.

Anyone aged 60 or over can also call the National Elder Fraud Hotline free on 1-833-372-8311.

Talking to a parent about this

One sentence carries it, and it survives the pressure of a real call:

Medicare never phones asking for your Medicare number, and your card is paper.

Then add the part that actually changes behaviour. Tell them that hanging up on a real government office by mistake causes no harm at all, and that you would much rather they did that than stayed polite with a stranger.

Related reading

• Social Security scams and the six versions running now
• The five costliest scams hitting older adults
• Telehealth privacy and billing

Check a number before you call it back

Look up any phone number here, free and in about ten seconds.

Sources

• Senior Medicare Patrol, Medicare Card Scams
• Senior Medicare Patrol, Don't Activate a Plastic Medicare Card
• Medicare.gov, Reporting Medicare fraud and abuse
• HHS Office of Inspector General, Report fraud
• California Health Advocates, New Medicare cards and numbers issued for 1.3 million Americans
• Telehealth privacy and billing