You can cancel Marketplace insurance at any time by signing into your HealthCare.gov account or calling the Marketplace Call Center at 1-800-318-2596. The submission itself takes a few minutes. What takes more thought is the termination date you choose, how it lines up with whatever coverage comes next, and what the cancellation means for the premium tax credits you’ve already received this year.
Cancel Online or by Phone
Log into HealthCare.gov and open your current application. If you’re ending coverage for everyone on the plan, you can set the termination for the same day you submit the request or pick a future date, which is useful when you already know the start date for your new coverage.1Centers for Medicare & Medicaid Services. Terminating a Marketplace Plan
Removing only some people from the plan works differently. In most cases their coverage ends immediately, but exceptions exist, such as when the remaining household members qualify for a Special Enrollment Period. For partial removals, calling the Call Center is safer, because a representative can confirm the exact end date for each person.2Centers for Medicare & Medicaid Services. Terminating a Marketplace Plan
One phone call worth making: on the day your new coverage begins, call the Marketplace to verify the end date is set correctly. This prevents the most common problem, which is paying for two policies at once because the old plan didn’t terminate when you expected.2Centers for Medicare & Medicaid Services. Terminating a Marketplace Plan
Picking the Right Termination Date
Federal rules give you some control over when coverage ends. Under 45 CFR 155.430, if you request a specific end date and provide reasonable notice, the Marketplace will honor it. If you don’t specify a date, coverage ends 14 days after the request. The Marketplace also has the option to end coverage on the day you submit the cancellation.3eCFR. 45 CFR 155.430 – Termination of Exchange Enrollment or Coverage
Billing complicates this. Even when coverage terminates mid-month, some insurers charge the full month because they don’t prorate premiums. A cancellation on the 10th could still cost you the premium through the 31st. Check your insurer’s policy before choosing a date. Ending coverage on the last day of a month sidesteps the issue.
If you’re switching to Medicaid, CHIP, or a Basic Health Program, the Marketplace can backdate your termination to the day before your new program’s coverage begins, so nothing overlaps.3eCFR. 45 CFR 155.430 – Termination of Exchange Enrollment or Coverage
Lining Up New Coverage
Employer Plans
Employer coverage often starts the first of the month after your hire date, and some employers impose waiting periods of 30, 60, or 90 days. Wait until the benefits administrator confirms an enrollment date before setting your Marketplace termination for the day before that start date. Don’t cancel the moment you accept the job.
Switching to a different Marketplace plan during Open Enrollment or a Special Enrollment Period usually cancels the old plan automatically. But if you enroll in a plan outside the Marketplace, you have to cancel yourself. The Marketplace won’t know you enrolled elsewhere and will keep billing.1Centers for Medicare & Medicaid Services. Terminating a Marketplace Plan
Medicare
Once you become eligible for Medicare, you’re no longer eligible for premium tax credits on a Marketplace plan, even if you haven’t enrolled in Medicare yet.4Internal Revenue Service. Eligibility for the Premium Tax Credit Staying on a subsidized Marketplace plan past that point can create a repayment obligation at tax time.
If your Medicare enrollment ends up retroactive, federal rules let you request a retroactive Marketplace termination within 60 days. The end date can go back to no earlier than the day before your Medicare Part A or B coverage began, and no more than six months before the request.5eCFR. Part 155 – Exchange Establishment Standards and Other Related Standards Under the Affordable Care Act
COBRA
COBRA and Marketplace coverage interact in ways that catch people off guard. If you lose employer coverage and elect COBRA, you can switch to a Marketplace plan during Open Enrollment for any reason. Outside Open Enrollment, you can only move from COBRA to the Marketplace in limited situations: your COBRA coverage is running out, your former employer stops contributing to the cost, or you’re still within 60 days of the original job-based coverage loss.6HealthCare.gov. COBRA Coverage When You’re Unemployed Voluntarily dropping COBRA for any other reason doesn’t trigger a Special Enrollment Period.
The reverse is simpler. If you have a Marketplace plan and start a job that offers insurance, you can cancel the Marketplace plan at any time once the employer coverage is active.7HealthCare.gov. If You Lose Job-Based Health Insurance
Reporting Windows for Qualifying Events
Most cancellations follow a qualifying life event: new job, marriage, income change, or a dependent aging off the plan.8HealthCare.gov. Qualifying Life Event (QLE) – Glossary For loss of health coverage, you can report the change up to 60 days before or 60 days after the loss. If you lost Medicaid or CHIP, you have 90 days.9CMS. Understanding Special Enrollment Periods Miss those windows and you wait until the next Open Enrollment.
If a household income drop qualifies you for Medicaid in an expansion state, confirm your Medicaid enrollment is complete before canceling the Marketplace plan.10HealthCare.gov. Medicaid Expansion and What It Means for You A dependent turning 26 gets their own 60-day Special Enrollment Period to find new coverage.
What Cancellation Means for Your Taxes
If you received advance premium tax credits, canceling doesn’t end your tax obligation for the months you were covered. You’ll reconcile the advance payments on Form 8962 using the information on Form 1095-A, which the Marketplace sends early in the year.11Internal Revenue Service. About Form 1095-A, Health Insurance Marketplace Statement
Reconciliation compares the credits you received against the credits your final income actually entitled you to. If your income came in higher than the estimate you gave when enrolling, you may owe some or all of the excess back.12Internal Revenue Service. Premium Tax Credit: Claiming the Credit and Reconciling Advance Credit Payments
One change worth flagging: starting with tax year 2026, the repayment caps that used to limit how much excess credit you had to pay back are gone. In prior years, households under 400% of the federal poverty level had repayment capped at $750 to $3,150 depending on income and filing status. For 2026, you repay every dollar of excess advance credits with no cap.13Internal Revenue Service. Updates to Questions and Answers About the Premium Tax Credit
If your circumstances changed mid-year, report the change to the Marketplace as soon as it happens so the remaining months reflect the correct subsidy. And when you file, attach Form 8962. Filing without it delays your refund.14Internal Revenue Service. Reconciling Your Advance Payments of the Premium Tax Credit
Don’t Cancel by Not Paying
Skipping the bill isn’t the same as canceling, and the consequences are worse than most people expect. If you receive advance premium tax credits, your insurer must give you a 90-day grace period before terminating. In the first 30 days, claims are paid normally. In months two and three, the insurer can hold claims, meaning providers may not get paid and you could end up personally responsible for those bills. If you haven’t paid by the end of month three, the insurer terminates coverage retroactively to the end of the first grace-period month.15eCFR. 45 CFR 156.270 – Termination of Coverage or Enrollment for Qualified Individuals
That retroactive termination turns any care from months two and three into your bill. Formally canceling through HealthCare.gov, even when money is tight, protects you from that surprise and gives you a documented end date for tax purposes. Without subsidies, the grace period is generally around 31 days, though the exact length varies by state.
When You Can Cancel Retroactively
Cancellation normally only works going forward. Federal rules allow retroactive termination in four narrow situations, each with a 60-day request window:
- A technical error prevented you from canceling through the Marketplace. The 60 days run from when you discover the error.
- Your enrollment was unintentional and resulted from a mistake by a Marketplace employee, agent, or enrollment assister. The 60 days run from when you discover the problem.
- Someone enrolled you without your knowledge or consent. The 60 days run from when you discover the enrollment.
- Your Medicare Part A or B has a retroactive effective date. The 60 days run from the Medicare enrollment.
All four require you to demonstrate the qualifying circumstances to the Marketplace.5eCFR. Part 155 – Exchange Establishment Standards and Other Related Standards Under the Affordable Care Act A denial generally cannot be appealed through the Marketplace appeals process, because coverage end-date decisions fall outside what the Marketplace considers appealable.
Confirming the Cancellation Went Through
After you submit the cancellation, check three things: your HealthCare.gov account shows the correct termination date, you have written or email confirmation, and automatic payments have stopped. Watch your bank or credit card statements for at least two billing cycles after the end date. If a charge appears afterward, send the insurer your cancellation confirmation and ask for a refund.
Keep the paper trail. Confirmation emails, screenshots of the account showing the end date, and any call reference numbers from the Marketplace Call Center all protect you if the insurer later disputes the termination date. When Form 1095-A arrives in January, verify that the number of covered months matches your records, since an error there flows straight into your tax return.11Internal Revenue Service. About Form 1095-A, Health Insurance Marketplace Statement