American Association for the History of Medicine
http://www.histmed.org/ The AAHM is North America’s oldest continuously functioning scholarly organization devoted to the study of all aspects of the history of the health professions, disease, public health, and related subjects. Its annual meetings occur each spring and include, over a two and a half day period, a wealth of workshops, plenary sessions, and competitively peer-reviewed scholarly papers.
The American Association for the History of Nursing (AAHN) http://www.aahn.org/
American Institute of the History of Pharmacy http://www.aihp.org
American Osler Society http://www.americanosler.org/
CADUCEUS-L is a moderated e-mail discussion list dedicated to the history of medicine and its allied sciences. Membership is open to anyone interested in the history of the biomedical sciences and health care. http://www.hshsl.umaryland.edu/caduceus/
European Association of the Museums of History of Medical Sciences:
http://www.eamhms.org
Medical Museums Association http://medicalmuseumsassociation.org
National Library of Medicine History division
https://www.nlm.nih.gov/hmd/
Ohio Academy of Medical History http://www.case.edu/orgs/oamh/home.htm
Society for the History of Navy Medicine http://www.case.edu/orgs/oamh/home.htm