Health and Social Services

Download data about life-threatening allergies in schools, including demographic characteristics of people who experienced anaphylaxis.

Health claims data including medical, pharmacy, dental, vision, behavioral health, and specialty health care services assembled by the Massachusetts Center for Health Information and Analysis (CHIA). This data is available for public health research and may be requested on CHIA's website.

Find local risk levels for Eastern Equine Encephalitis (EEE) and West Nile Virus (WNV) based on seasonal testing from June to October.

The Massachusetts Cancer Registry (MCR) collects information on all newly diagnosed cases of cancer in the state.

Find information and data on cancer in Massachusetts, managed by the Massachusetts Cancer Registry.

Explore dashboards and download datasets about vehicle accidents using the Department of Transportation's Interactive Mapping Portal for Analysis and Crash Tracking (IMPACT). These data are based on crash reports submitted by state and local police departments.

Diabetes prevalence in Massachusetts has been steadily increasing.

Explore data on health and the environment. Topics including diseases, air quality, and lead and poisonous substances. You can also build your own tables and maps. This site is maintained by the Bureau of Environmental Health, a division of the Department of Public Health.

The Center for Health Information and Analysis (CHIA) publishes measures of the performance of the Massachusetts health care system. These metrics focus on 2 areas in health care: spending and insurance coverage, and health care provider usage and performance.

Descriptive and comparative data on acute and non-acute hospitals based on hospital characteristics, services, payer mix, utilization trends, cost trends, financial performance, and quality over a five-year period. This data is hosted on a website operated by the Center for Health Information and Analysis (CHIA).