If you’re a part-time worker without job-based coverage, you may be able to buy health insurance in the Marketplace and get lower costs based on your income.
If your employer doesn’t offer health insurance to part-timers:

Employers aren’t required to provide health insurance for part-time employees, even if they provide coverage for full-time employees.
If you’re a part-time worker and your employer doesn’t offer you coverage, you can use the Health Insurance Marketplace to find a plan. You may be able to get lower costs on your monthly premiums and out-of-pocket costs based on your household size and income.
You may also qualify for free or low-cost coverage through Medicaid or the Children’s Health Insurance Program (CHIP).
You’ll learn if you qualify for these options when you fill out your Marketplace application.