The Centers for Medicare & Medicaid Services (CMS) says it is finally moving from chasing bad payments to stopping them before the money leaves the Treasury. That’s a welcome change. For years taxpayers have watched tens of billions slip through a system riddled with waste, fraud and excuses. CMS Administrator Dr. Mehmet Oz and the HHS team are now using prepayment deferrals to hold money until states prove claims are legitimate.
What happened and what officials are saying
In a high‑profile move this week, HHS and CMS announced they deferred roughly $867.5 million in federal Medicaid matching payments to California and about $199 million to Minnesota — a total near $1.066 billion. CMS says those funds will remain on hold until the states provide documentation proving the flagged claims are valid. Administrator Dr. Mehmet Oz has been clear: “We’re not letting the money leave the building,” and the goal is to stop “tens of billions” from being wasted. Secretary Robert F. Kennedy Jr. and Vice President JD Vance have both been front and center in the administration’s push to make program integrity the rule, not the exception.
Why prepayment controls are a big deal
Too many past efforts treated fraud like a game of whack‑a‑mole — find the bad payment, chase it, maybe recover some money years later. Prepayment deferrals change the rules: they force states and providers to prove claims up front when CMS finds “high‑risk” patterns. That includes areas like home‑based services, some behavioral care and durable medical equipment. Yes, aggressive prepayment steps can be blunt instruments. But if done right, they stop waste faster and protect the solvency of Medicaid for real patients instead of lining the pockets of scammers.
States push back — and the politics get loud
Predictably, California and Minnesota pushed back. Governor Gavin Newsom and Governor Tim Walz complained the freezes could harm vulnerable people and demanded detailed evidence. That’s a fair request — transparency matters. But let’s be frank: demanding proof after years of lax oversight is a convenient game of political theater. Courts will likely get involved, and CMS must show the itemized examples and methods that led to these deferrals. If CMS can’t, critics win. If it can, taxpayers and honest providers win.
The real test and the bottom line
This is the start of a test. Will CMS keep its focus on targeted reviews and clear evidence, or will broad freezes become a hammer that interrupts care for people who need it? The right answer is both tough and simple: go after fraud aggressively, but publish the proof and protect beneficiaries. The public deserves that balance. For conservatives who care about fiscal responsibility, this shift in CMS policy is long overdue — and for fraudsters, it should be a very, very bad week.

