CMS canceled 760,000 Marketplace enrollments over fraud concerns
A September anti-fraud sweep canceled roughly 315,000 ACA Marketplace enrollments covering more than 760,000 people — and CMS itself acknowledges some legitimate enrollees were likely swept in with the fraudulent ones. Here is how to find out which side of that you are on.
On September 22, 2026, CMS announced it had canceled roughly 315,000 ACA Marketplace enrollments, covering more than 760,000 people, as part of an anti-fraud action targeting unauthorized broker-assisted sign-ups. If you or someone in your household has Marketplace coverage — the bridge many people use between leaving a job and reaching Medicare at 65 — this is worth five minutes of your own checking, regardless of whether you think you did anything wrong.
| 315,000 | Marketplace enrollments CMS canceled in its September 2026 anti-fraud action. |
|---|---|
| 760,000+ | Individual people covered by those canceled enrollments. |
| ~$2.2 billion | Advance premium tax credit payments CMS expects to recover as a result. |
| Why flagged | Enrolled with agent or broker assistance but lacking verified citizenship or immigration documentation, or insurers unable to identify the claims or contact the enrollee at all. |
| New broker freeze | Agents and brokers without an active 2026 Marketplace registration are temporarily barred from registering for the 2027 plan year. |
| 90 days | The standard window to appeal a Marketplace eligibility determination, counted from the date on the Eligibility Notice. |
What actually happened
The cancellations trace back to a pattern of broker misconduct CMS had already been investigating: agents and brokers — disproportionately ones newly registered for the 2026 plan year — enrolling people in Marketplace plans without adequate verification, sometimes without the enrollee’s informed consent at all. CMS paired the cancellations with an interim final rule freezing new broker registrations for 2027 unless the agent already had an active 2026 registration, and has issued termination notices to more than 200 agents and brokers since January. CMS has also sent 569 notices of intent to terminate agreements with brokers whose 2026 applications were missing basic applicant information, including Social Security numbers — the kind of gap that makes an enrollment difficult to verify as legitimate in the first place.
Most of the flagged brokers, by CMS’s own account, were new to the Marketplace channel: agents who had first registered to sell ACA plans for the 2026 season. New registrants are a small share of all broker-assisted enrollments overall, but accounted for a disproportionate share of the enrollments flagged as potentially fraudulent — which is part of why the interim rule targets new 2027 registrations specifically, rather than broker activity across the board.
CMS frames this as recovering federal money paid out on enrollments that should never have existed. That framing is accurate as far as it goes. It is also, by CMS’s own account, an imperfect filter: reporting on the action has been explicit that some legitimate enrollees were almost certainly caught in the same sweep — people who simply didn’t respond to a data-matching notice in time, rather than people who did anything fraudulent themselves.
Also on The Second Half Guide The Medicare deadline that never forgives you Miss your Medicare enrollment window without the right coverage and you pay a surcharge every month for life. The seven months that decide it. Read it →An enforcement announcement measures what an agency caught in aggregate. It does not tell any individual person which side of that sweep they personally landed on.
Why this matters specifically for this site’s readers
Marketplace coverage is disproportionately used by people in their late fifties and early sixties — old enough to have left an employer plan, too young yet for Medicare at 65. If that describes your own coverage or a spouse’s, this action is not background noise about a federal program; it is a direct question about whether your own household’s health coverage is still active right now, today, whether or not you have received anything in the mail saying otherwise.
The part worth acting on immediately
CMS’s enforcement action was built around aggregate fraud patterns across a broker channel, not around individually notifying every affected household in a way guaranteed to reach them before their coverage actually lapses. That is the same structural gap this site has flagged in enforcement stories before: the agency’s job is closing the pattern, not personally confirming your own status to you. Whether your coverage was part of the 315,000 canceled enrollments is something you have to check yourself, and doing so costs nothing and takes a few minutes.
If your coverage was actually canceled
Marketplace eligibility determinations carry a standing appeal right: generally 90 days from the date on an Eligibility Notice to file an appeal, through the Marketplace Appeals Center. If you believe your own cancellation was an error — you are a citizen or lawfully present, you did respond to any notice you received, or you never used a broker at all — that appeal path exists specifically for this. Filing costs nothing and does not require a lawyer.
What to actually do
- Log into your HealthCare.gov account (or your state’s own Marketplace site) now and confirm your coverage still shows active — don’t assume it is because nothing has arrived in the mail.
- If your coverage was canceled and you believe that was in error, you generally have 90 days from the date on your Eligibility Notice to file an appeal through the Marketplace Appeals Center.
- If you need to re-enroll, go directly to HealthCare.gov or your state’s official Marketplace — not a search ad, a social media link, or an unsolicited caller, given that broker misconduct is exactly what triggered this action in the first place.
- Be wary of anyone who calls promising to restore your coverage or guarantee a specific subsidy amount for a fee. The appeal and re-enrollment process is free through official channels.
- Even if your own coverage wasn’t affected, confirm the agent or broker listed on your account is one you actually chose yourself — the new registration freeze exists because unauthorized agents were being attached to consumer accounts without their knowledge.
- If you are newly uninsured because of this and need coverage before Medicare eligibility, act before your state’s open enrollment window closes rather than after — a gap here can mean a real gap in coverage, not just paperwork.
Nothing about this action requires you to have done anything wrong to be affected by it. The single most useful thing to take from it is the five minutes it takes to log in and look — not because the crackdown was necessarily aimed at you, but because whether it was is not something anyone is going to reliably tell you first.
This is general information, not personal insurance, financial or legal advice. We report the rules, the numbers and the deadlines as clearly as we can, but plan details, coverage decisions and premium costs depend on your specific plan. Treat this as a good place to find the right questions, not a substitute for your plan’s own materials or a licensed adviser.
Where these facts come from
Checked on 27 September 2026 against the sources listed below. Dollar limits and program rules change — if you're reading this well after that date, verify the numbers at the links below.
- NPR — HHS cancels health insurance of 760,000 individuals enrolled in healthcare.gov plans — https://www.npr.org/2026/09/22/nx-s1-5977991/hhs-cancels-health-insurance-of-760-000-individuals-enrolled-in-healthcare-gov-plans
- Forbes — CMS Canceled ACA Coverage For 760,000 People Over Fraud. Here’s What Patients Should Know — https://www.forbes.com/sites/jessepines/2026/09/23/cms-canceled-aca-coverage-for-760000-people-over-fraud-heres-what-patients-should-know
- Groom Law Group — CMS Targets Unauthorized Marketplace Enrollments and Broker Misconduct — https://www.groom.com/resources/cms-targets-unauthorized-marketplace-enrollments-and-broker-misconduct-102o2yg/
- HealthCare.gov — What can I appeal? — https://www.healthcare.gov/marketplace-appeals/
Edward Silva
Edward spent more than forty years as a computer professional — long enough to pick up one useful occupational habit: when somebody hands you a summary, go and read the actual documentation. He started The Second Half Guide after noticing that most writing aimed at people his age was either talking down to him or quietly selling him something, and that the plain facts — the dates, the thresholds, the dollar figures — were somehow the hardest part to find.
He's married, with two grown sons, both married themselves. He is not a financial adviser, an attorney or an insurance agent, and this site doesn't tell you what to do with your money. It tells you what the rules actually say, and links to where he checked.