One person enrolled 14 separate laboratories in Medicare. Fourteen. Those labs billed taxpayers $24 million before anyone noticed. CMS has since revoked 11 of them, is holding $12 million, and has clawed back $7 million. Three labs are still under investigation.
That's one scammer. The full picture is significantly worse.
The Centers for Medicare & Medicaid Services announced Saturday that it has stopped $1.6 billion in fraudulent Medicare lab payments. CMS Administrator Dr. Mehmet Oz framed it in terms that are hard to argue with: "When laboratories bill Medicare for tests they never performed, it drains the Medicare Trust Fund and diverts resources away from beneficiaries who need them."
The breakdown is methodical. CMS revoked 157 fraudulent lab providers, saving $732 million. Another 185 payment suspensions halted $500 million. The agency identified 442 overpayments totaling $276 million and made 85 law enforcement referrals that prevented another $127 million from walking out the door. In total, more than 600 labs were investigated.
The lab fraud crackdown is part of a broader operation. CMS reported $42 billion in Medicare fraud prevention savings in Fiscal Year 2025. In 2026 alone, the agency has identified $1.8 billion in overpayments, collected $378 million from post-payment reviews, and suspended $539 million in fraudulent payments. The CMS Fraud Defense Operations Center has separately suspended $371 million.
"That's why, under the leadership of the White House Anti-Fraud Task Force, CMS has built a technology-powered fraud prevention operation to root out scammers all across our health care system," Oz said.
The Texas cases tell you what these operations actually look like at ground level. One Texas lab had $1.2 million in claims denied and $150,000 in fraudulent payments prevented. Another Texas lab saw $1.9 million in denied claims and $1.7 million in payment suspensions. Labs billing Medicare for tests that were never ordered, never collected, never processed. Just invoices sent to a system that, until recently, was paying them.
The fraud isn't limited to labs, either. CMS flagged $226 million in suspect durable medical equipment billing, $53 million in suspect skin substitute claims, and $23 million in suspect hospice provider charges. The scam artists diversified their portfolios.
For years, Medicare fraud was treated like weather — inevitable, uncontrollable, just a cost of doing business in a $900 billion program. Entire consulting industries existed to study the problem. Reports were written. Conferences were held. The fraud continued. What changed is that someone decided the correct response to people stealing from seniors' healthcare was to stop them, revoke their access, and refer them to law enforcement. The White House Anti-Fraud Task Force and CMS used technology and data to identify patterns instead of waiting for complaints to pile up.
The $1.6 billion in fake lab tests existed because the system was built to process claims, not question them. Two hundred sixty-seven providers and suppliers have now been suspended. The machinery that let one person operate 14 fraudulent labs is the same machinery that processed $42 billion in fraud last fiscal year alone.
Fixing the payment system is harder than catching individual scammers. But $1.6 billion is a start — and it's $1.6 billion that was headed somewhere other than patient care.