Private company

Massachusetts Medical Society

Logo: massmed.org4

Medical association in the United States

The Massachusetts Medical Society (MMS) is the oldest continuously operating state medical association in the United States. Incorporated on November 1, 1781, by an act of the Massachusetts General Court, the MMS is a non-profit organization that consists of more than 25,000 physicians, medical students and residents. It is currently based in Waltham, Massachusetts.2 It was founded by John Warren and Edward Augustus Holyoke.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1781Founded1
  • HeadquartersWaltham1
  • Websitewww.massmed.org
  • Legal formNon-Profit Corporation3
  • LEI98450011DBCE585EBI603
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered address860 WINTER ST., 02451 Waltham, United States3
  • Registered withCorporations Division (Secretary of the Commonwealth's Office), 0420507733
Massachusettsmedicalsocietyheadquarters
Photo: Coolcaesar at English Wikipedia, CC BY-SA 3.0, via Wikimedia Commons6

The Massachusetts Medical Society (MMS) is the oldest continuously operating state medical association in the United States. Incorporated on November 1, 1781, by an act of the Massachusetts General Court, the MMS is a non-profit organization that consists of more than 25,000 physicians, medical students and residents. It is currently based in Waltham, Massachusetts. The majority of the members live or practice in Massachusetts and the immediate vicinity.2

The story

Founded by Edward Augustus Holyoke and John Warren in 1781.1

The charter of the MMS is signed by Samuel Adams as president of the Massachusetts Senate, and John Hancock as Governor of Massachusetts.

John Sprague was a charter member. Edward Augustus Holyoke was the society's first president.

From Wikipedia’s article on Massachusetts Medical Society, shared under CC BY-SA 4.0.5

Leadership

Who has led Massachusetts Medical Society, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1781Founded Founded1