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Medicaid eligibility and enrollment in Massachusetts

Enrollment up more than 50% since 2013, due in large part to Medicaid expansion and the COVID-era ban on disenrollments

How is Massachusetts handling Medicaid renewals after the pandemic?

Nationwide, Medicaid disenrollments have been paused during the COVID pandemic, from March 2020 through March 2023. During that time, Medicaid enrollees have continued to have coverage even if their circumstances have changed such that they no longer met the eligibility criteria. Partly as a result of the COVID-related ban on disenrollments, MassHealth enrollment grew by about 500,000 people from early 2020 to early 2023. But as of April 1, 2023, states can once again disenroll people who are no longer eligible for Medicaid.


Just like most states’ Medicaid programs, MassHealth has continued to conduct regular renewals/eligibility redeterminations throughout the pandemic, so a significant number of enrollees are current on their renewals. For all 2.3 million MassHealth enrollees, eligibility redeterminations will need to be initiated at some point during the 12-month “unwinding” period. But the timing will depend on whether the person’s coverage has been continued (despite lack of eligibility verification) during the pandemic:

  • For people whose enrollment has been protected due to the pandemic-era ban on disenrollments (ie, they either didn’t respond to a renewal packet during the pandemic, or the state received information indicating that they’re no longer eligible), MassHealth plans to process eligibility redeterminations at some point in the first nine months of the unwinding period.
  • For people who have stayed up-to-date on their renewals during the pandemic, renewals will be processed 12 months after the person’s last renewal.

MassHealth is encouraging enrollees to be sure that their contact information is updated, and to watch for communications from MassHealth. They will automatically process as many renewals as possible, and will accept reported income that’s within 20% of the income that the state has on file (this threshold was previously 10%, but the expanded range makes it easier for more renewals to go through automatically). For people who need to fill out a renewal packet, the renewals will be mailed in blue envelopes, to make them stand out and increase response rates.

ACA’s Medicaid eligibility expansion in Massachusetts

It’s no surprise that Massachusetts has a robust Medicaid program (known as MassHealth), giving the commonwealth’s leadership in expanding health care coverage. Massachusetts has relatively high income limits for the groups it covered prior to the Affordable Care Act (ACA) rollout, and it adopted ACA Medicaid expansion to cover low-income adults in 2014.

Federal poverty level calculator

In Massachusetts, MassHealth CarePlus is the Medicaid expansion program. As of late 2022, there were nearly 414,000 people enrolled in MassHealth as a result of Medicaid expansion. And total MassHealth enrollment stood at about 2.3 million people.

MassHealth operates under an 1115 waiver, which was renewed in 2022 and continues through 2027.

Massachusetts has accepted federal Medicaid expansion

Who is eligible for Medicaid in Massachusetts?

MassHealth is more generous than many other Medicaid programs. Individuals qualify with household incomes up to the following levels (the numbers here include a 5% income disregard that’s used when determining eligibility for income-based Medicaid/CHIP coverage).

  • Children up to age 1: up to 205% of the federal poverty level (FPL)
  • Children ages 1 to 18: up to 155% of FPL
  • Pregnant women: up to 205% of FPL (coverage for the mother continues for 12 months after the baby is born)
  • Children with family income too high to qualify for Medicaid and pregnant women who aren’t eligible for Medicaid due to immigration status are eligible for the Children’s Health Insurance Program (CHIP); CHIP is available to kids with family income up to 305% of FPL and to non-resident pregnant women with income up to 205% of FPL
  • Parents and other adults are covered with incomes up to 138% of FPL

How does Medicaid provide assistance to Medicare beneficiaries in Massachusetts?

Many people with Medicare receive help through Medicaid with Medicare premium costs, prescription drug expenses, and expenses that Medicare doesn’t cover — such as long-term care.

Medicare Resources’ guide to financial resources for Medicare enrollees in Massachusetts provides an overview of those programs, including Medicare Savings Programs, nursing home benefits, and income guidelines for assistance.

How do I enroll in Medicaid in Massachusetts?

Residents have several options to apply for Medicaid in Massachusetts if they are under 65:

  • Submit an application online at
  • Fill out a paper application. Return your completed form:
    • By mail: Health Insurance Processing Center; P.O. Box 4405; Taunton, MA 02780.
    • By fax to 617-887-8770. Use this cover sheet when faxing your application.
  • Apply by phone by calling 1-800-841-2900 or TTY: 1-800-497-4648 for people who are deaf, hard of hearing, or speech disabled.
  • Apply in person at a MassHealth Enrollment Center. See the left side of this webpage for a list of centers or call 1-888-665-9993 (or TTY: 1-888-665-9997 for people who are deaf, hard of hearing, or speech disabled).

Seniors and people with Medicare can apply for Medicaid using this website or by contacting MassHealth at (800) 841-2900.

Massachusetts Medicaid enrollment numbers

There were 1,952,248 Massachusetts residents covered by Medicaid/CHIP as of October 2022, although MassHealth reporeted that total enrollment stood at about 2.3 million people by early 2023. And nearly 414,000 people were covered under Medicaid expansion (MassHealth CarePlus) as of late 2022.

Between September 2013 (just prior to the first ACA open enrollment period) and August 2015, MassHealth and CHIP enrollment grew by 27%. By the end of 2017, more than two years later, total enrollment was up by 29%, so it had largely plateaued after the first two years of Medicaid expansion. But enrollment grew sharply during the COVID pandemic (due in part to the nationwide ban on Medicaid disenrollments), and was 51% higher in late 2022 than it had been in 2013.

Massachusetts Medicaid history

Former Gov. Deval Patrick signed legislation authorizing Medicaid expansion in July 2013. But for several years before that, Massachusetts had already been receiving additional federal funding to provide Medicaid or subsidized private coverage to people with income up to 150% of the poverty level (the approach that Massachusetts used starting in 2006 ending up being a partial blueprint for the ACA).

While former Gov. Charlie Baker, a Republican, called for modifications to the commonwealth’s Medicaid program (including capping Medicaid expansion at 100% of the poverty level, which the Trump administration rejected), he was one of the Republican governors who pushed back against his party’s efforts to repeal the ACA in 2017. Baker’s initial focus with regards to Medicaid was to ensure that the eligibility verification process was in place, so that the state wouldn’t have to provide MassHealth coverage to people who weren’t actually eligible.

Temporary MassHealth enrollment in 2014

The Massachusetts Health Connector is a state-run exchange that pre-dates the ACA. But the process of making it compliant with the ACA proved to be technologically challenging; the system was supposed to screen applicants to determine whether they were eligible for MassHealth or premium subsidies, but wasn’t functional in its first year. As a result, about 325,000 applicants were temporarily enrolled in MassHealth in 2014. This allowed those residents to have health insurance despite the exchange glitches, but it also cost the state about $140 million in 2014.

By the end of January 2015, about 130,000 people who had been temporarily placed on MassHealth in 2014 had been able to verify their eligibility for coverage through Massachusetts Health Connector. Roughly half of them were actually eligible for MassHealth and remained covered under the program (the rest were able to transition to private plans instead, with subsidies if eligible based on household income).

Eligibility verifications in 2015

When Governor Baker unveiled his budget in March 2015, one of the primary focuses was on reducing Medicaid spending. That included verifying eligibility for 1.2 million of MassHealth’s 1.9 million enrollees (the other 700,000 had enrolled recently enough that their eligibility was current). Federal Medicaid rules require that enrollees’ eligibility be verified annually, but the technology problems with the Massachusetts Health Connector in 2013 – 2014 resulted in MassHealth coverage being automatically renewed for 1.2 million people without verifying eligibility.

Enrollees had to update their information in order to renew their benefits, and by May 2015, the program had disenrolled 158,000 people – out of 500,000 – who hadn’t responded to the state’s information requests.  The state began combing through the next round of 500,000 enrollees in July, making sure that they were still eligible to remain on MassHealth. By September, the eligibility verification process had reduced total MassHealth enrollment by about 205,000 people.

By 2017, Baker was advocating for cost-containment measures for MassHealth, including a proposal to move 140,000 people with income between 100% and 138% of the poverty level from MassHealth to ConnectorCare, and a proposed rule that would make people ineligible for MassHealth if they have access to affordable employer-sponsored health insurance (defined as having premiums equal to less than 5% of income). That provision was projected to make roughly 42,000 people ineligible for MassHealth.

Ultimately, lawmakers passed legislation to temporarily (for 2018 and 2019) increase assessments on employers in Massachusetts in order to generate about $200 million in revenue for the MassHealth program, but did not implement Baker’s proposal to prevent people with access to affordable employer-sponsored insurance from enrolling in MassHealth. In 2018 and 2019, employers paid a higher Employer Medical Assistance Contribution (the maximum contribution increased from $55 to $71 per employee per year) if employees received benefits via MassHealth or ConnectorCare, and were also subject to an additional assessment of up to $750 per employee per year.

The Massachusetts Department of Health and Human Services also submitted a 1115 waiver proposal in September 2017, seeking permission to cap Medicaid eligibility for non-disabled adults at 100% of the poverty level. The state projected that 40,000 Medicaid expansion enrollees, and 100,000 parents and caretakers (who were already eligible for MassHealth before the ACA’s expansion of Medicaid) would have been shifted from MassHealth to ConnectorCare if the waiver had been approved, but CMS rejected that proposal in 2018 (consumer advocates had noted that the proposed change would not have furthered the goals of the Medicaid program, and could have resulted in coverage becoming less affordable for the population that would have been moved to ConnectorCare).

CMS has consistently rejected states’ requests to provide enhanced federal Medicaid funding if the state only expands eligibility to 100% of the poverty level. Other examples of this are Utah, Wisconsin, and Georgia.

Maura Healey, a Democrat, took office as the Governor of Massachusetts in 2023. Healey was previously the attorney general, and has long supported the ACA and Medicaid expansion.

Louise Norris is an individual health insurance broker who has been writing about health insurance and health reform since 2006. She has written dozens of opinions and educational pieces about the Affordable Care Act for Her state health exchange updates are regularly cited by media who cover health reform and by other health insurance experts. 

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Apply for Medicaid in Massachusetts

Apply online. Fill out a paper application. Apply by phone: 1-800-841-2900 or TTY 1-800-497-4648. Apply in person at a MassHealth Enrollment Center.

Eligibility: Children up to 1 year with household income up to 200% of FPL. Children ages 1-18 with household income up to 150% of FPL. Pregnant women with household income up to 200% of FPL. Adults with household income up to 138% of FPL.

Massachusetts section

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