Massachusetts Health Insurance Guide

Health Insurance Overview in Massachusetts

Massachusetts implemented a near-universal coverage law in 2006 — predating the ACA by four years — and has maintained one of the lowest uninsured rates in the nation (~3%). The Massachusetts Health Connector is the nation's oldest health insurance exchange. Massachusetts requires residents to have health insurance (individual mandate with state penalty) and has MassHealth (Medicaid) covering a large share of residents.

Average Health Insurance Costs in Massachusetts

Marketplace Enrollment in Massachusetts

Massachusetts residents can enroll in individual and family health insurance plans through Massachusetts Health Connector (State-Based). Open enrollment runs from October 23, 2026 for 2027 coverage (Massachusetts Health Connector) — enroll and pay by December 23 for a January 1 start.

Average Premiums by City in Massachusetts

Medicaid in Massachusetts

MassHealth covers adults with incomes up to 138% of the federal poverty level. Massachusetts has one of the most comprehensive Medicaid programs in the nation.

Children's Health Insurance (CHIP) in Massachusetts

MassHealth covers children up to 300% of the federal poverty level with minimal cost-sharing.

What Makes Massachusetts Unique

Massachusetts was the template for the Affordable Care Act — its 2006 reform (RomneyCare) established the framework that became the ACA, including the individual mandate, insurance exchanges, and Medicaid expansion. Massachusetts maintains its own individual mandate with a state penalty for uninsured residents, unlike the federal mandate which was effectively zeroed out in 2019.

ACA Subsidies: What Massachusetts Residents Should Know

The enhanced subsidies first enacted in the American Rescue Plan expired at the end of 2025. For 2026, premium tax credits follow the original ACA rules: there is no credit above 400% (the “subsidy cliff”), and enrollees are expected to pay up to 9.96% of income toward the benchmark Silver plan. House in January 2026 but has not become law, so 2027 plans are being priced and subsidized under the same rules unless Congress acts.

Massachusetts Opens Enrollment Early: October 23, 2026

The Massachusetts Health Connector starts open enrollment for 2027 coverage on October 23, 2026 — about a week before HealthCare.gov states. The Connector uses a 23rd-of-the-month rule: enroll and make your first premium payment by the 23rd, and coverage begins on the first of the next month. For a January 1, 2027 start, that means enrolling and paying by December 23, 2026.

ConnectorCare: State Subsidies on Top of Federal Credits

ConnectorCare plans are Massachusetts’s income-based plans, with state subsidies layered on top of federal premium tax credits. For 2026, ConnectorCare premiums range from $0 a month at incomes up to 150% FPL to about $235 a month at 300–400% FPL, with low copays and no deductibles in most tiers.

Massachusetts had extended ConnectorCare eligibility to 500% FPL as a pilot, and the state budget continued the pilot through 2026. There is a catch: ConnectorCare requires eligibility for the federal premium tax credit, and the federal credit now stops at 400% FPL after the enhanced subsidies expired. In practice, the 400–500% band cannot use ConnectorCare in 2026. Massachusetts added state funding to cushion the loss of the enhanced federal credits for enrollees below 400% FPL.

The Massachusetts Individual Mandate Still Applies

The federal penalty for going uninsured is $0, but Massachusetts kept its own. Adults who can afford coverage under the state’s affordability schedule and go without minimum creditable coverage owe a penalty on their Massachusetts income tax return. Insurers send Form MA 1099-HC showing months of coverage, which you report on Schedule HC.

The practical rule: a gap of more than a few months can trigger the penalty, so if you lose job-based coverage, enroll through the Connector’s special enrollment period rather than waiting for open enrollment.

2026 Market Snapshot

• Eight insurers offer Connector plans for 2026.
• Full-price premiums rose about 11.7% on average for 2026 before subsidies — lower than many states, partly because of Massachusetts’s merged individual and small-group market.

Tips for Choosing Health Insurance in Massachusetts

Massachusetts residents must have health coverage or pay a state penalty. The Massachusetts Health Connector offers ConnectorCare plans with additional state subsidies for lower-income residents. Massachusetts's extended open enrollment (through January 23) provides additional time to enroll. MassHealth covers low-income residents comprehensively.

• Enroll during open enrollment (from October 23, 2026 for 2027 coverage (Massachusetts Health Connector) — enroll and pay by December 23 for a January 1 start) — missing the deadline means waiting until the next open enrollment unless you have a qualifying life event.

Frequently Asked Questions

When is open enrollment for 2027 in Massachusetts?

It opens October 23, 2026. To start coverage January 1, 2027, enroll and pay your first premium by December 23, 2026. The Connector’s deadline each month is the 23rd for coverage starting the next month.

What is ConnectorCare and who qualifies in 2026?

ConnectorCare plans add Massachusetts state subsidies to federal premium tax credits. Premiums range from $0 a month up to 150% FPL to about $235 a month at 300–400% FPL in 2026. The pilot extending eligibility to 500% FPL continues through 2026, but because ConnectorCare requires federal credit eligibility, which now ends at 400% FPL, people above 400% cannot use it this year.

Is there still a health insurance penalty in Massachusetts?

Yes. Massachusetts has its own individual mandate. Adults who can afford coverage under the state affordability schedule and go without minimum creditable coverage owe a penalty on their state tax return, reported on Schedule HC using Form MA 1099-HC.

The information on this page is provided for general informational purposes only and reflects estimated industry averages and program eligibility rules as of 2026. Health insurance premiums, Medicaid eligibility thresholds, marketplace options, and program rules change annually. Always verify current eligibility and enrollment options at the official Massachusetts Health Connector (State-Based) or by contacting a certified navigator or broker. Premium figures shown are approximations before subsidies — actual net premiums depend on individual income, household size, and plan selection.