CMS is canceling 315,000 ACA marketplace enrollments covering more than 760,000 people.
Why it matters: The move could disrupt coverage for hundreds of thousands of marketplace enrollees and force insurers to unwind subsidy-backed plans. It also signals tighter oversight of brokers and eligibility checks across the ACA exchange.
- CMS announced the cancellations Sept. 22, 2026, saying they cover more than 760,000 people.
- The agency said the action targets about 315,000 unauthorized ACA marketplace enrollments and could save about $2.2 billion.
- Reuters reported the cancellations were tied to unverified citizenship or immigration documentation and suspected improper enrollments.
- CMS also said it will temporarily suspend new broker registrations for the 2027 plan year.
CMS said it is canceling about 315,000 ACA marketplace enrollments after saying it confirmed the sign-ups were unauthorized. The agency said the action is part of a broader program-integrity effort focused on fraud, waste and abuse in the federal Marketplace and broker activity.
In a press release, CMS said it expects about $2.2 billion in taxpayer-funded subsidy savings. The agency also said it identified suspicious broker behavior and will temporarily suspend new broker registrations for the 2027 plan year.
Reuters reported that CMS tied the cancellations to unverified citizenship or immigration documentation and suspected improper enrollments. That makes the practical impact bigger than a paper cleanup: insurers may have to rework member rosters, and some consumers could lose subsidized coverage if their enrollments do not stand up to review.
CMS said the federal Marketplace enrolled roughly 19.2 million people as of early 2026. The agency said in a fact sheet that the action follows confirmation of unauthorized enrollments and is part of a broader integrity campaign.
By the numbers
- 315,000 - ACA marketplace enrollments CMS says it is canceling
- 760,000 - people covered by those enrollments
- $2.2 billion - estimated taxpayer-funded subsidy savings CMS expects
Yes, but: CMS has not detailed the full breakdown of affected enrollees, so it is unclear how many will ultimately lose coverage versus be required to resubmit documentation.
What's next: CMS said it will temporarily suspend new broker registrations for the 2027 plan year.