OEP 2027 · Massachusetts
ACA marketplace plans in Massachusetts
Carriers, Open Enrollment dates, Medicaid expansion status, CHIP eligibility, and signup history for Massachusetts. Data last updated 2026-06-08.
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Open Enrollment window
For plan year 2027, residents of Massachusetts can enroll in marketplace coverage from November 1, 2026 through December 15, 2026 at www.mahealthconnector.org/.
Missed Open Enrollment? You may qualify for a Special Enrollment Period after a qualifying life event such as losing other coverage, marriage, or a household income change.
Deep dive into Massachusetts
Massachusetts ACA subsidies & income limits
2026 FPL tables and premium tax credit eligibility.
Massachusetts Open Enrollment dates
Exact OEP dates, deadlines, and SEP rules.
Massachusetts Medicaid & CHIP
Expansion status, CHIP income limits, how to apply.
All Massachusetts counties
County-by-county ACA marketplace pages.
Carriers in Massachusetts for OEP 2027
Carrier lists shown below are current marketplace participants and a strong indicator of who will offer plans in Massachusetts for 2027. Final OEP 2027 filings are confirmed in summer 2026.
- Blue Cross Blue Shield of Massachusetts
- Tufts Health Plan
- Harvard Pilgrim
- Mass General Brigham Health Plan
- Fallon Health
- WellSense
- UnitedHealthcare
- Health New England
CHIP & Medicaid for kids and pregnant women
MassHealth (CommonHealth / Family Assistance) covers children in households up to 305% of the Federal Poverty Leveli. Pregnancy Medicaid coverage extends to 205% FPLi.
Enroll or check eligibility at www.mass.gov/masshealth · 1-800-841-2900.
See the full state-by-state CHIP table for context.
Recent signup history
| Plan year | Plan selections in Massachusetts |
|---|---|
| 2022 | 295,299 |
| 2023 | 326,690 |
| 2024 | 365,530 |
| 2025 | 389,191 |
Source: CMS OEP State-Level Public Use File.
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OEP & SEP rules
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Sources
The information contained on this website is for educational purposes only. We are not responsible for missing or inaccurate information. Please consult a licensed insurance broker in your state and area for insurance advice. Please consult a CPA for tax or legal advice.