# ACA subsidies: what clinicians need to know while it is in the news

*Hibbert Medical · Week of 7 September 2026 · Public-conversation briefing*

> **At a glance**
> **What we know** — Enhanced ACA premium tax credits that expanded eligibility above 400% of the federal poverty line expired on 1 January 2026, reverting to the less generous pre-2021 schedule [1,2]. ACA Marketplace enrollment declined 13% from 22.1 million to 19.2 million between December 2025 and February 2026 [3,4]. Average monthly premiums paid by enrollees increased 58% (from $113 to $178) and average deductibles rose 37% ($1,027 per person) to $3,786 in 2026 [3,5].
> **What we don't know yet** — How many people who lost ACA coverage became uninsured versus obtained other insurance remains uncertain, as does the relative contribution of subsidy expiration versus fraud enforcement to enrollment declines [3,5,6].
> **What changes Monday** — Screen for insurance status and financial barriers at every visit; patients may have lost coverage or switched to high-deductible bronze plans, increasing out-of-pocket costs and potentially delaying care [3,5,6].

## What happened

In early September 2026, the Trump administration announced $500 "Obamacare refund" payments to nearly one million middle-income enrollees in federal-exchange states, drawing media attention to ACA Marketplace affordability [7,8]. The refunds target households above 400% of the federal poverty line who lost subsidy eligibility when enhanced premium tax credits expired on 1 January 2026 [6,7,8]. Health policy experts emphasised that the refunds do not offset thousands of dollars in additional annual premiums confronting households beyond the subsidy cliff [6,8].

The announcement occurred against a backdrop of sharp enrollment declines following the expiration of enhanced premium tax credits established under the American Rescue Plan in 2021 and extended through 2025 [1,2]. Federal data showed ACA Marketplace enrollment fell from 22.1 million to 19.2 million between December 2025 and February 2026, the first significant drop in seven years [3,4]. Simultaneously, the Department of Health and Human Services intensified programme integrity efforts, removing or blocking subsidies for approximately 2.9 million people found ineligible or enrolled without authorisation [4,9]. A high-profile US trial in early 2026 resulted in 20-year sentences for executives in a scheme involving fraudulent subsidies [10,11].

## The clinical facts

The Affordable Care Act established income-based premium tax credits for individuals with incomes between 100% and 400% of the federal poverty line who lack affordable employer-sponsored or public coverage [1,12]. The credit amount is calculated by subtracting a required household contribution—set on a sliding scale from approximately 2% of income at 133% FPL to 9.5% at 400% FPL—from the annual premium for the benchmark second-lowest-cost silver plan [1,12].

The American Rescue Plan Act of 2021 temporarily enhanced these credits for 2021–2022, expanding eligibility above 400% FPL and increasing subsidy amounts by capping required contributions at 8.5% of income [1,2]. The Inflation Reduction Act extended these enhancements through 31 December 2025 [1,2]. Under enhanced credits, households above 400% FPL became newly eligible if their benchmark premium exceeded 8.5% of income, eliminating the "subsidy cliff" [1]. The Bipartisan Policy Center estimated that nearly 725,000 individuals with incomes between 400% and 500% FPL would lose access to premium tax credits entirely when enhancements expired, facing average annual premium increases exceeding $2,900 [1].

**Verdict: Practice-informing.** Enhanced credits expired on 1 January 2026, reverting to the pre-2021 schedule [1,2]. KFF projected average premiums for subsidised enrollees remaining in the same plans would increase 114%—from $888 to $1,904 annually [5,6]. Actual average monthly premium payments increased 58% (from $113 to $178) because many enrollees switched to cheaper, higher-deductible bronze plans and those just past the subsidy cliff dropped coverage at higher rates [3,5].

**Verdict: Practice-changing.** Average ACA Marketplace deductibles increased 37% (approximately $1,027 per person) to a record $3,786 in 2026, the steepest increase ever observed, largely reflecting the shift from silver plans with cost-sharing reductions to bronze plans with very high deductibles [3,5]. Enrollment in silver plans fell from 57% to 43%, while bronze plan enrollment rose from 30% to 40% [5,13]. Younger adults were disproportionately affected: of the 1.2 million decline in open-enrollment sign-ups, approximately 542,000 (46%) were aged 18 to 34 [5].

**Verdict: Practice-informing.** State-level data revealed heterogeneity based on whether states operated their own Marketplaces and used state funds to offset federal subsidy loss [14]. New Mexico saw a 14% enrollment increase after implementing state-funded premium assistance that fully replaced expired federal credits [14]. States using HealthCare.gov experienced a 15% decline in effectuated enrollment, while state-based Marketplaces saw a 6% decline [14].

**Verdict: Practice-informing.** CMS removed or blocked subsidies for approximately 2.9 million people found ineligible or enrolled without authorisation [4,9]. CMS reported that as many as 5.6 million enrollments in 2025 were improper or fraudulent, reduced to approximately 2.6 million in 2026 [4]. The Department of Justice prosecuted insurance brokerage executives involved in large-scale fraud schemes, including a case resulting in 20-year sentences for a scheme that sought over $233 million in fraudulent subsidies [10,11,15].

**Verdict: Not practice-changing.** Health policy experts disputed the administration's claim that fraud enforcement was the primary driver of enrollment decline, pointing instead to subsidy lapse [6]. A KFF survey found that 17% of returning enrollees were not confident they could afford premiums for the entire year [3]. Among returning enrollees, 73% worried about affording emergency care or hospitalisations, and about half worried about routine visits (49%) or prescription drugs (45%) [3].

## How clinicians are reacting

- **Lego Dolemite, bluesky, 31 August 2026** — After ACA subsidies expired, costs more than doubled and 161,000 Ohioans dropped coverage; premiums are about to go up another 15% [16].

- **Timothy McBride, bluesky, 4 September 2026** — Democrats are eyeing expanded Medicare coverage if they take the House, with reversing Medicaid cuts and restoring ACA subsidies topping the list [17].

- **Voices of Otolaryngology, 10 September 2026** — Dr. Gene Brown warned that a proposed CMS rule to cut Medicare payment by 50% for additional same-day services would cause 80% of otolaryngologists to stop seeing Medicare patients or severely limit appointment slots [18].

- **NEJM Interviews, 9 September 2026** — Elizabeth Kaplan examined the constitutional crisis facing the U.S. Preventive Services Task Force, noting that task force dysfunction directly impacts patient access to evidence-based screening and prevention [19].

## What patients will ask you this week

**Why did my ACA insurance premium go up so much this year?**
Enhanced premium tax credits that expanded eligibility and increased subsidy amounts expired on 1 January 2026 [1,2]. If your income is above 400% of the federal poverty line (about $62,600 for a single adult or $128,600 for a family of four in 2025), you are no longer eligible for any subsidy and must pay the full premium [1]. If your income is below that threshold, your required contribution increased, reducing your subsidy [1,2].

**I lost my ACA coverage because I didn't pay my premium—what should I do?**
 Contact your state Marketplace or HealthCare.gov for assistance, and ask about Medicaid eligibility [12].

**I switched to a bronze plan to save money—what does that mean for my care?**
Bronze plans have lower monthly premiums but higher deductibles [5,13]. The average ACA Marketplace deductible in 2026 is $3,786, and bronze plans typically have even higher deductibles [5]. You will still have coverage for preventive services without cost-sharing, but you should budget for higher costs if you need hospitalisation, surgery, or frequent medical visits [5,12].

## For learners

**Question 1:** A 35-year-old patient with asthma lost her ACA Marketplace coverage in March 2026 because she could not afford the premium increase after enhanced subsidies expired. Her household income is $65,000 per year (approximately 410% of the federal poverty line for a single adult). Which of the following best explains her loss of subsidy eligibility?

A. She was found to be concurrently enrolled in Medicaid and ACA coverage
B. She failed to file and reconcile her advance premium tax credits on her tax return
C. Her income exceeded 400% FPL, making her ineligible for subsidies under the pre-ARPA schedule
D. She was enrolled without her consent by a fraudulent broker

**Answer: C.** Enhanced premium tax credits expanded eligibility above 400% FPL, but when they expired on 1 January 2026, the subsidy cliff was reinstated, leaving households above 400% FPL ineligible for any premium tax credit [1,2].

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**Question 2:** A 28-year-old patient enrolled in a bronze ACA Marketplace plan in 2026 to reduce his monthly premium. He presents to the emergency department with acute appendicitis requiring appendectomy. Which of the following is most likely to be true regarding his out-of-pocket costs?

A. He will pay nothing because the ACA requires all plans to cover emergency surgery without cost-sharing
B. He will pay a small copayment but no deductible because bronze plans have low deductibles
C. He will likely pay several thousand dollars toward his deductible before his insurance covers most of the surgery cost
D. He will pay the full cost of the surgery because bronze plans do not cover hospitalisation

**Answer: C.** Bronze plans have high deductibles (the average ACA Marketplace deductible in 2026 is $3,786, and bronze plans typically exceed this), meaning enrollees pay most costs out-of-pocket until the deductible is met [5,13].

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**Question 3:** A 50-year-old patient asks why her ACA Marketplace plan was cancelled in February 2026 even though she never requested cancellation. CMS data indicate that 250,000 people had coverage cancelled in 2025 due to unauthorised enrollment. Which of the following is the most likely explanation for her cancellation?

A. She was concurrently enrolled in Medicare and ACA coverage with advance premium tax credits
B. She was enrolled in an ACA plan without her consent by a broker seeking commissions
C. She failed to pay her premium for three consecutive months
D. Her income increased above 400% FPL, making her ineligible for subsidies

**Answer: B.** CMS cancelled coverage for 250,000 people enrolled without consent in 2025, a form of fraud in which brokers enroll consumers in ACA plans without their knowledge to earn commissions [9,15].

## References

1. Enhanced Premium Tax Credits: Who Benefits, How Much, and What Happens Next? • Bipartisan Policy Center. bipartisanpolicy.org. commentary. https://bipartisanpolicy.org/issue-brief/enhanced-premium-tax-credits-who-benefits-how-much-and-what-happens-next/
2. [PDF] Enhanced Premium Tax Credit and 2026 Exchange Premiums. congress.gov. https://www.congress.gov/crs_external_products/R/PDF/R48290/R48290.6.pdf
3. ACA Marketplace Enrollment Is Down By 3 Million After Big Jump in Premium Payments | KFF Quick Takes. kff.org. commentary. https://www.kff.org/quick-insights/aca-marketplace-enrollment-is-down-by-3-million-after-big-jump-in-premium-payments/
4. ACA Exchange Enrollment in 2026 | ASPE. aspe.hhs.gov. regulator. https://aspe.hhs.gov/reports/aca-exchange-enrollment-2026
5. What We Know So Far About 2026 ACA Marketplace Enrollment, Premiums, and Deductibles | KFF. kff.org. commentary. https://www.kff.org/affordable-care-act/what-we-know-so-far-about-2026-aca-marketplace-enrollment-premiums-and-deductibles/
6. Why ACA enrollment has fallen by millions. cnbc.com. news. https://www.cnbc.com/2026/07/03/aca-enrollment-enhanced-subsidies-lapse-fraud.html
7. Trump to give $500 refunds to nearly 1 million Obamacare. politico.com. https://www.politico.com/news/2026/09/10/trump-obamacare-refunds-aca-subsidies-01070983
8. Trump announces $500 Obamacare refunds starting in. cnbc.com. https://www.cnbc.com/2026/09/10/trump-obamacare-refunds-aca.html
9. CMS Actions to Protect Consumers and Strengthen Exchange Program Integrity | CMS. cms.gov. regulator. https://www.cms.gov/newsroom/fact-sheets/cms-actions-protect-consumers-strengthen-exchange-program-integrity
10. President of insurance brokerage firm and CEO. irs.gov. https://www.irs.gov/compliance/criminal-investigation/president-of-insurance-brokerage-firm-and-ceo-of-marketing-company-sentenced-in-233m-affordable-care-act-enrollment-fraud-scheme-that-preyed-on-vulnerable-consumers
11. President of Insurance Brokerage Firm and CEO of Marketing... - OIG. oig.hhs.gov. https://oig.hhs.gov/fraud/enforcement/president-of-insurance-brokerage-firm-and-ceo-of-marketing-company-sentenced-in-233m-affordable-care-act-enrollment-fraud-scheme-that-preyed-on-vulnerable-consumers/
12. The Affordable Care Act 101 - KFF. kff.org. https://www.kff.org/affordable-care-act/health-policy-101-the-affordable-care-act/?entry=table-of-contents-what-did-the-aca-change-about-health-coverage-in-the-u-s
13. Exchange Coverage Remains Near Record High as 23.1 Million Enroll in 2026, Reflecting Continued Strength and Stability | CMS. cms.gov. regulator. https://www.cms.gov/newsroom/press-releases/exchange-coverage-remains-near-record-high-23-1-million-enroll-2026-reflecting-continued-strength
14. How Has ACA Marketplace Enrollment Changed Across States in 2026? | KFF. kff.org. commentary. https://www.kff.org/affordable-care-act/how-has-aca-marketplace-enrollment-changed-across-states-in-2026/
15. Office of Public Affairs | Justice Department Prosecutes a Half-Billion Dollars in Healthcare and COVID Fraud Schemes Exploiting Taxpayer Funded Programs | United States Department of Justice. justice.gov. press-release. https://www.justice.gov/opa/pr/justice-department-prosecutes-half-billion-dollars-healthcare-and-covid-fraud-schemes
16. Lego Dolemite. After ACA subsidies expired costs more than doubled and 161,000 Ohioans dropped coverage. Premiums are about to go up another 15%. bluesky, 2026-08-31. https://ohiocapitaljournal.com/2026/08/31/ohios-already-seen-the-biggest-aca-drop-premiums-are-about-to-go-up-by-another-15/
17. Timothy McBride. Democrats eye expanded Medicare coverage if they take U.S. House Reversing Medicaid cuts and restoring ACA subsidies top the list, but Democrats are also talking about lowering the age of eligibility. bluesky, 2026-09-04. https://wapo.st/4xfd1IF
18. Voices of Otolaryngology. Medicare Cuts, Patient Consequences: The Real Cost of Reducing Same-Day Care by 50%. podcast, 2026-09-10. https://entnet.libsyn.com/medicare-cuts-patient-consequences-the-real-cost-of-reducing-same-day-care-by-50
19. NEJM Interviews. NEJM Interview: Elizabeth Kaplan on changes to the U.S. Preventive Services Task Force and the importance of evidence-based recommendations for preventive services. podcast, 2026-09-09. http://www.nejm.org/doi/full/10.1056/NEJMp2607441