Massachusetts often touts its near-universal health insurance coverage, mandated through a 2006 state law. But a new report shows that despite the assumed financial protections for residents, 1 in 8 carries family medical debt.

The report, released this week by the Center for Health Information and Analysis , an independent state agency, found 88% of those with medical debt incurred it while all family members were insured — showing insurance doesn’t necessarily shield against debt.

It does, however, make it less likely. Without continuous insurance over 12 months, the report said, families were nearly twice as likely to have medical debt than those continuously insured.

The new report comes as Congress has yet to extend Affordable Care Act enhanced premium tax credits that are

See Full Page