To cancel your Affordable Care Act insurance, log into your HealthCare.gov account, open “My Plans & Programs,” and use the “End (Terminate) ALL Coverage” button, or call the Marketplace Call Center at 1-800-318-2596.1CMS. Terminating a Marketplace Plan The mechanics take minutes. What deserves your attention is what happens next: once you voluntarily end a Marketplace plan, you generally cannot re-enroll until the next Open Enrollment Period, and any premium tax credits you received during the year still have to be reconciled with the IRS.2HealthCare.gov. How Do I Cancel My Marketplace Plan?
Read This Before You Cancel
Voluntary cancellation does not create a Special Enrollment Period. Cancel in March, change your mind in June, and you are uninsured until the next Open Enrollment window, which runs November 1 through January 15 for coverage the following year, unless a separate qualifying life event opens a new enrollment opportunity.3HealthCare.gov. Getting Health Coverage Outside Open Enrollment Qualifying events include losing other coverage involuntarily, getting married, having a baby, or moving. Dropping your own plan is not one of them.
HealthCare.gov’s own guidance is blunt: do not end your Marketplace plan until you know exactly when your new coverage begins.2HealthCare.gov. How Do I Cancel My Marketplace Plan? If you are moving to a job-based plan or Medicare, keep your Marketplace coverage active through the day before the new plan starts.
How to Cancel Your Marketplace Plan
Three methods are available. All three produce the same result: a formal confirmation posted to the Messages section of your HealthCare.gov account.
Online Through HealthCare.gov
Sign in and go to “My Plans & Programs.” Scroll to the bottom and select “End (Terminate) ALL Coverage” if you are canceling for everyone on the plan.4CMS. Post-Enrollment Assistance – Terminating a Marketplace Plan The system asks you to pick a coverage end date and confirm you understand the re-enrollment restriction. After you check the attestation and submit, you get a confirmation number. Save it. You may need proof if the insurer keeps billing.
If you only need to remove some people while keeping others enrolled, update the application instead of terminating the whole plan. Select the individuals who are leaving and work through the verification screens. The remaining members stay covered, though their subsidy amounts may change with the smaller household size.
By Phone
Call the Marketplace Call Center at 1-800-318-2596 and cancel with a representative.5HHS. Cancelling or Terminating Consumer Marketplace Coverage This is the better route if the site is giving you trouble or the situation is complicated, such as one spouse aging into Medicare while another stays on the plan.
By Mail
You can send a written request to the Marketplace processing center. Include your Application ID (from your eligibility notice or online account), the names of anyone being removed, and the requested end date. Mail is the slowest option, so leave buffer time.
When Your Coverage Actually Ends
The effective date depends on whether you are ending coverage for the whole household or just some members.
For a full-household cancellation, coverage can end as soon as the day you submit, or on a future date you choose to line up with new coverage.6HealthCare.gov. Renew, Change, Update, or Cancel Your Plan If your employer plan begins on the first of next month, set the Marketplace end date to the day before.
When you remove only some people, their coverage usually ends immediately, but it may run through the last day of the month if the change affects the remaining household’s subsidy or triggers a Special Enrollment Period for them.6HealthCare.gov. Renew, Change, Update, or Cancel Your Plan The system confirms the exact end date after you finish the update.
Federal regulations define “reasonable notice” as at least 14 days before the requested end date.7eCFR. 45 CFR 155.430 – Termination of Exchange Enrollment or Coverage Without 14 days’ notice, the default end date pushes out to 14 days after you submit. The Marketplace and individual insurers can honor an earlier date if you ask, and in practice HealthCare.gov routinely permits same-day termination for full-household cancellations. The 14-day default mainly matters for edge cases and paper submissions.
Coordinating With Medicare or an Employer Plan
Switching sources of coverage is the most common reason people cancel. The goal is zero gap and zero unnecessary overlap.
Moving to Medicare
Once you become eligible for premium-free Medicare Part A, or enroll in any Medicare Part A or Part C plan, you immediately lose eligibility for premium tax credits on your Marketplace plan.8CMS. Transitioning from Marketplace to Medicare Coverage You can technically keep the Marketplace plan after Medicare starts, but you would pay the full unsubsidized premium, and insurers are not allowed to knowingly sell you Marketplace coverage that duplicates Medicare benefits. They may decline to renew at year-end.
If other household members are on the plan, the Marketplace allows you to report your Medicare start date and end only your own coverage while the rest of the household stays enrolled.9CMS. When to Terminate Coverage for Consumers Transitioning from Marketplace to Medicare Coverage Remaining members confirm their plan selection after you come off, and their subsidy may be recalculated.
Moving to an Employer Plan
Federal law prohibits employer waiting periods longer than 90 days.10eCFR. 45 CFR 147.116 – Prohibition on Waiting Periods That Exceed 90 Days Some employers start you on day one; others make you wait the full 90. Get the exact effective date from HR before you set a termination date. CMS materials recommend setting the Marketplace end date to the day before the employer plan begins to avoid both a gap and double premiums.4CMS. Post-Enrollment Assistance – Terminating a Marketplace Plan
What Happens If You Just Stop Paying
Skipping the formal cancellation and letting the plan lapse for non-payment is not the same as canceling, and the consequences depend on whether you receive advance premium tax credits.
If you receive tax credits, your insurer must give you a three-month grace period before terminating coverage.11eCFR. 45 CFR 156.270 – Termination of Coverage or Enrollment for Qualified Individuals During month one, the insurer pays claims normally. In months two and three, the insurer can hold claims in limbo, and providers are notified that claims may be denied. If you still have not paid by the end of month three, coverage is terminated retroactively to the last day of month one, and you are personally responsible for every medical bill from months two and three.12CMS. Understanding Your Health Plan Coverage – Effectuations, Reporting Changes, and Ending Enrollment
If you do not receive tax credits, the grace period is shorter and governed by your state’s insurance regulations, typically 30 days.
A formal cancellation lets you pick the end date, avoids retroactive claim denials, and gives you a clear paper trail. Non-payment gives you none of that.
Tax Filing After You Cancel
If you had Marketplace coverage for any part of the year and received advance premium tax credits, canceling shifts your obligations to your tax return rather than ending them.
The Marketplace sends you Form 1095-A by January 31 of the following year, covering every month you were enrolled.13IRS. Instructions for Form 1095-A The form lists your monthly enrollment premiums, the second-lowest-cost Silver plan premium in your area, and the advance credits paid on your behalf. Those figures feed into Form 8962 on your federal return.
Form 8962 is where reconciliation happens. The IRS compares the advance credits you actually received against the credit you were entitled to based on your final income for the year.14IRS. Premium Tax Credit – Claiming the Credit and Reconciling Advance Credit Payments Lower income than estimated can produce additional credit as a refund. Higher income, or an unreported change like gaining access to employer coverage, means owing some or all of those credits back.
For tax year 2026, there is no cap on how much excess advance credit you must repay. You owe the full difference regardless of income level.15IRS. Updates to Questions and Answers About the Premium Tax Credit This differs from earlier years when lower-income households had repayment limits. If your finances change mid-year, report the change to the Marketplace promptly. Updating your information adjusts monthly credits in real time and shrinks the risk of a surprise bill at filing.
Partial-year coverage runs the calculation month by month on Form 8962. You only receive credit for months in which at least one household member was enrolled in a qualified plan on the first day of the month.16IRS. 2025 Instructions for Form 8962 – Premium Tax Credit A mid-month cancellation date can cost you credit for that partial month depending on timing. Ending on the last day of a month keeps the accounting cleaner.