Can I get health insurance if I missed open enrollment?

Yes, but your options are more limited. For employer benefits: check for qualifying life events that allow special enrollment. For ACA marketplace: the open enrollment period is typically November 1 - January 15; outside this window, you need a qualifying life event for a special enrollment period. You can also consider short-term health insurance, Medicaid (if income-eligible, year-round enrollment), or COBRA continuation coverage.

When is open enrollment for health insurance?

Employer open enrollment: typically October-December (varies by company; check with HR). ACA Marketplace (Healthcare.gov): November 1 - January 15 for most states; some state-run marketplaces have extended deadlines. Medicare: October 15 - December 7 (Annual Enrollment Period). Missing these windows means waiting until the next year unless you qualify for special enrollment.

Is there a penalty for not having health insurance?

There is no longer a federal penalty for being uninsured (the individual mandate penalty was reduced to $0 starting in 2019). However, some states have their own mandate with penalties: California ($900+ per adult), Massachusetts (varies), New Jersey ($695+ per adult), Rhode Island ($695+ per adult), and Washington DC ($695+ per adult). The bigger risk is the financial exposure of being uninsured.

I Missed Open Enrollment — What Are My Options?

If you missed open enrollment, check for qualifying life events first — they allow special enrollment at any time. If you don’t have a qualifying event, explore Medicaid, short-term insurance, or marketplace coverage options until the next enrollment period.

What to Do Right Now

Step	Action
1	Contact HR (employer) or Healthcare.gov (marketplace) immediately
2	Ask if a late enrollment exception is possible
3	Review the qualifying life events list — do any apply?
4	If no special enrollment: get interim coverage
5	Set reminders for next year’s enrollment NOW

Open Enrollment Dates

Coverage Type	Open Enrollment Period
Employer benefits	Varies — typically Oct-Dec (check with HR)
ACA Marketplace (most states)	November 1 - January 15
California (Covered California)	November 1 - January 31
New York (NY State of Health)	November 1 - January 31
Massachusetts (Health Connector)	November 1 - January 23
Medicare (Annual Enrollment)	October 15 - December 7
Medicare Advantage/Part D	January 1 - March 31 (limited changes)

Qualifying Life Events for Special Enrollment

Event	Time to Enroll	Applies To
Marriage	60 days	Employer & Marketplace
Birth or adoption	60 days	Employer & Marketplace
Divorce	60 days	Employer & Marketplace
Loss of other coverage	60 days	Employer & Marketplace
Moving to new coverage area	60 days	Marketplace
Death of family member on plan	60 days	Employer & Marketplace
Turning 26 (aging off parent’s plan)	60 days	Employer & Marketplace
Income drops below Medicaid threshold	Year-round	Medicaid (anytime)
Gaining citizenship/immigration status	60 days	Marketplace
Release from incarceration	60 days	Marketplace

Coverage Options If You Can’t Get Employer/Marketplace Insurance

Option	Pros	Cons	Monthly Cost
Medicaid	Free/low cost, comprehensive	Income limits ($20,783 individual, $43,056 family of 4 in most expansion states)	$0-$20
Short-term health insurance	Fast enrollment, lower premiums	Limited coverage, no pre-existing conditions	$100-$300
COBRA (if recently left job)	Same plan you had before	Very expensive (full premium + 2% admin)	$400-$800+
Health sharing ministry	Lower monthly cost	Not insurance; not guaranteed to pay claims	$100-$500
Spouse’s plan (through their employer)	Comprehensive	You need a qualifying event on their end too	Added to their premium
Pay cash for care	No monthly premium	Full financial exposure for major illness/injury	$0 (but high risk)

States with Individual Mandate Penalties

State	Annual Penalty (2025)
California	$900+ per adult/$450 per child (or 2.5% of income, whichever is greater)
Massachusetts	Varies by income (up to ~$159/month)
New Jersey	$695+ per adult/$347.50 per child (or 2.5% of income)
Rhode Island	$695+ per adult/$347.50 per child (or 2.5% of income)
Washington DC	$695+ per adult/$347.50 per child (or 2.5% of income)
All other states	$0 (no penalty)

The Bottom Line

Check for qualifying life events immediately — if any apply, you can enroll within 60 days. If not, get interim coverage (Medicaid if eligible, short-term insurance, or COBRA as last resort) rather than going completely uninsured. The financial risk of a single ER visit ($2,500-$50,000+) or hospitalization ($10,000-$200,000+) far outweighs the cost of any coverage. Set calendar reminders now for next year’s open enrollment.