People who buy health insurance through the Affordable Care Act (ACA) Marketplace should review their coverage before choosing a plan for 2027. Premiums, provider networks, prescription coverage, and plan details can change each year. If you already have Marketplace coverage, do not assume that your current plan remains the best fit or that every application detail is still correct.
Gather your household information
Before starting an application, collect the names and dates of birth for people who need coverage, current addresses, and information about expected household income. If a household member has access to job-based coverage or other qualifying insurance, have those details available. Report changes in household size, residence, or income as required by Marketplace rules.
Estimate income carefully
Eligibility for financial assistance can depend on household size, income, and other coverage options. Use a realistic estimate for the coverage year and update it if circumstances change. Self-employed people may need to estimate net business income, while hourly workers may need to account for variable shifts or seasonal work. Do not guess just to obtain a lower premium; inaccurate information can affect the assistance you receive and may require reconciliation later.
Compare plans beyond the monthly premium
- Deductible: what you may need to pay before many covered services are paid for.
- Out-of-pocket maximum: the limit on covered in-network cost sharing for the plan year, subject to plan rules.
- Provider network: whether your doctors, clinics, and hospitals are included.
- Prescription coverage: whether your medicines are covered and what restrictions apply.
- Expected use: regular visits, specialist care, planned procedures, and family needs.
Check enrollment dates for your state
Federal Marketplace dates and state-run Marketplace schedules can differ, and special enrollment periods have separate eligibility rules. Visit HealthCare.gov or your state’s official Marketplace for the current 2026–2027 schedule, coverage start dates, and instructions. Do not rely on an advertisement or an unsolicited caller for deadline information.
Protect yourself from enrollment fraud
Use official government websites and verified assistance organizations. Be cautious if someone demands immediate payment, guarantees a subsidy without reviewing your information, or asks for sensitive data through an unexpected text. Never share a one-time login code with an unsolicited caller. If you use an enrollment assister or broker, verify their identity and understand whether they represent specific insurers.
Before you submit
Review every application answer, confirm the household and income details, compare at least a few plans, and save the confirmation. After enrollment, check the insurer’s welcome materials and make sure the first premium is paid through the official channel if required.
This article is general information, not individualized insurance or tax advice. Subsidy rules and enrollment periods can change; confirm current details directly with your official Marketplace.



