What's New in Massachusetts Health Care

  • 2015 Massachusetts Health Insurance Survey

    CHIA’s Findings from the 2015 Massachusetts Health Insurance Survey features a statewide uninsurance rate of 3.6% compared to a nationwide uninsurance rate of 9.2%. For more key findings see the results of the survey.

  • 2015 Annual Report Series: Massachusetts High Deductible Health Plan Membership

    CHIA's 2015 Annual Report profiled overall membership and cost trends in the Massachusetts market from 2012 to 2014. This brief provides additional coverage and cost details for High Deductible Health Plan (HDHP) members.

  • 2015 Annual Report Series: Massachusetts Commercial TME by Town and Region Map

    CHIA releases its second interactive map of health care data, which illustrates geographic variation in spending by commercial health insurers on behalf of their commercial full-claim members in 2014 as well as variation in year-over-year growth.

  • 2015 Annual Report Series: Massachusetts Medical Loss Ratios

    This brief explores the technical aspects of MLRs including their calculation and application in Massachusetts. It also describes the Centers for Medicare and Medicaid Services’ proposed MLR for Medicaid Managed Care Organizations.

  • Percent of Massachusetts Employers Offering Health Insurance

    As one of its Standard Statistics, CHIA determines rate and trends of employer-offered insurance and is based on CHIA’s Massachusetts Employer Survey (MES). In 2014, 76 percent of MA employers offered health insurance.

  • 2015 Annual Report

    CHIA’s 2015 Annual Report on the Performance of the Massachusetts Health Care System features the Commonwealth’s Total Health Care Expenditures calculation for 2014, along with several other key performance indicators.

Link to geographical analysis page


CHIA has recently produced several interactive maps of Massachusetts health care data. These maps allow users to better understand variations in health care spending and utilization by displaying recent data on a town-by-town or regional basis.