Established in 1889, the Thurston-Mason Medical Society has grown to over 400 practicing physicians.

The Society’s Mission is to

• Promote the art, science and practice of medicine and the practitioners who pursue these goals;
• Protect and improve the health of the public; and
• Provide leadership for its membership.

The Thurston-Mason County Medical Society (TMCMS), a non-profit professional organization, is a constituent of the Washington State Medical Association (WSMA) and the American Medical Association (AMA).