Use Check a Commonwealth Licensee to see if a business or individual has a valid license or permit. 

The move to the new licensing system for the Division of Occupational Licensure, eLIPSE, is complete for all DOL boards.  All DOL boards must use the new eLIPSE platform for all licensing related functions.

https://www.mass.gov/news/elipse-is-now-live-for-four-additional-boards

As of January 1st, 2023, the Health Licensing boards have transitioned to DPH. A search of this database related to those boards will produce inaccurate license information.