Missed December 15: what to do so you’re not left without coverage
Missing December 15 is not the same as missing the whole season. Here’s what you can do before January 15, what’s left after that, and how not to lose a whole year over one missed date.
You meant to do it after the holidays
You knew about Open Enrollment. You planned to sort out your coverage calmly after the holidays, once the work rush, the gifts and the trips were over. Then December 16 came, or it was already January, and it became clear you had missed the moment.
Almost everyone’s first reaction is the same: the season is over, so you’ll have to wait until next fall. Most of the time, that’s not true. But to avoid losing anything, you need to quickly figure out where you stand right now.
December 15 and January 15 are different dates
December 15 is the last day to get coverage that starts on January 1. January 15 is the last day of Open Enrollment itself. In Texas and other states that use the federal exchange, a plan chosen between December 16 and January 15 starts on February 1.
In other words, missing December 15 costs you January, not the whole year. You can lose the year only if you miss the second date too.
What to do right now
If it isn’t January 15 yet, choose a plan as soon as possible. It will start on February 1. January stays uncovered, so it’s wise to move routine doctor visits and lab tests to February.
If you had a plan last year, it most likely renewed automatically and has been active since January 1. Until January 15 you can still switch to a different plan, and the new plan will also start on February 1. Before changing anything, check what has changed in your renewed plan.
If you don’t live in Texas, check your state’s deadlines. Some states with their own exchanges keep enrollment open longer, for example until January 31.
The most important thing is to choose a plan by January 15. After that date, you have far fewer options.
What waiting costs
A month without coverage seems like nothing until something happens. But a single emergency room visit in January is paid entirely out of pocket, and the bill can easily reach several thousand dollars.
And anyone who misses January 15 as well risks going without major medical coverage until 2028, unless a qualifying life event happens. Many people simply give up at that point, even though they often still have a way out.
Which doors stay open after January 15
The first is a Special Enrollment Period. It is opened by life events: a move, marriage, the birth or adoption of a child, loss of other coverage, a new immigration status. You usually have 60 days from the event to enroll.
The second is exceptional circumstances. If an illness or a natural disaster kept you from enrolling, if the person who helped with your application made a mistake, or if a Medicaid denial came after enrollment had ended, you can ask for a special period on those grounds too.
The third is Medicaid and CHIP. They work year-round, with no enrollment periods. They are especially worth checking for children and pregnant women.
Finally, there are short-term plans and supplemental insurance. You can buy them at any time, but they are not ACA coverage. Short-term plans usually last a few months and, as a rule, don’t cover pre-existing conditions. They are a temporary patch, not full protection.
The honest takeaway: “waiting until November” isn’t the only option. But the best options are available only until January 15.
How we can help
Averon Insurance is a licensed insurance broker. We enroll you in plans through the official system and only with your consent. You keep a personal account where you can see your policy status, and you get notified if anything changes.
If it isn’t January 15 yet, we’ll quickly find a plan and enroll you so your coverage starts on February 1. If that date has passed, we’ll review your life events and circumstances and tell you whether a Special Enrollment Period is open to you.
Our help is free for clients. We are paid by the insurance company, and the price of the plan is the same as if you enrolled on your own.
Two scenarios, and each has a move
If January 15 hasn’t come yet, we enroll you in a plan today. You’re covered from February 1, and only January is lost.
If January 15 has passed, we check every door for your situation. We either find the one that’s open, or pick the best temporary solution and remind you about Open Enrollment in November ahead of time.
Legal information
This article is for informational purposes only and is not legal, immigration, tax or financial advice. The deadlines are given for states that use the federal exchange; states with their own exchanges may have different dates. Subsidy eligibility, the premium amount and available plans depend on your income, state of residence and immigration status. ACA Marketplace rules changed several times in 2026–2027. The date of the last update is shown at the top of the page. For questions about your immigration status, please consult an immigration attorney.
Averon Insurance (Sergei Nesterov, LLC) is a licensed insurance broker. Texas resident license, NPN: 22255483. Full list of licenses.