The Massachusetts Health Information Highway (MASS HIWAY)

The Mass HIway is a secure statewide network that facilitates the transmission of healthcare data and health information among providers, hospitals, and other healthcare entities as allowed by applicable state and federal laws

Contact Us


Executive Office of Health and Human Services Commonwealth of Massachusetts
100 Hancock Street, Quincy, MA 02171


Our general information line is 1 855 MA HIway (624-4929)


If you're a patient, healthcare provider, vendor or other organization that wants to learn more about the Mass HIway, email us at
If you are already a Participant of the Mass HIway and have a production or technical support issue, please email
The HIway Logo

Who we serve

The Mass HIway provides a mechanism for the Commonwealth’s entire health care community—including providers, public health officials and others—to have appropriate, secure access to health information.

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