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MIIA is a Membership Service of the Massachusetts

Health and Dental Insurance

The Massachusetts Municipal Association (MMA) established the MIIA Health Benefits Trust in 1992. This Trust was established pursuant to M.G.L. Chapter 32B Section 12 and is now one of the largest municipal purchasing collaboratives in the nation.

MIIA is a partner with Blue Cross Blue Shield of Massachusetts, a national health insurance leader and innovator. This partnership provides local government employees and retirees access to an extensive network of quality hospitals, physicians and essential health care providers. It also provides municipal leaders access to a wide selection of flexible health and dental plan options. As experts in the nuances of municipal health insurance and reform, we work with each member community to develop a multi-year strategic approach to manage costs without compromising quality.

Medical Plans and Services


MIIA and Blue Cross Blue Shield of Massachusetts offer a wide selection of flexible health and dental options that can be tailored to meet the specific needs of each member organization. Learn More


As a member-driven organization, we are constantly looking to add value to each member relationship.

Our account representatives are your personal health benefit advisors, providing tools and guidance to contain costs and ensure your employees and retirees are receiving best available coverage.

The plan participants (Town of Chelmsford’s employees and retirees) enjoyed the program’s (MIIA health insurance) stability and flexibility in the provision of excellent health care. The wellness programs are an added benefit that helps reduce costs while promoting healthy lifestyles.

Paul Cohen, Chelmsford, MA Town Manager Wicked Local Chelmsford

Physician and Patient

We’re more than just health insurance. Take a look at the advantages the Health Benefits Trust provides to its members. Learn More

Well Aware

Only MIIA offers Well Aware, a workplace wellness program offering onsite and online options to help employees and their families lead more vibrant, healthy and productive lives. Learn More