American College of Medical Informatics (ACMI) http://www.amia.org/acmi/acmi.html
A college of elected fellows within American Medical Informatics Association who have contributed significantly to medical informatics. It grew from the American Association for Medical Systems and Informatics (AAMSI) and the Symposium on Computer Applications in Medical Care (SCAMC) when the AMIA was formed in 1989.
American Medical Informatics Association http://www.amia.org/
US not-for-profit organization dedicated to the development and application of medical informatics in the support of patient care, teaching, research, and health care administration.
British Medical Informatics Society http://www.bmis.org
Society details including: mission statement and history, membership information, news of workshops and conferences, 'Health Informatics' Journal and 'Biomedical Informatics Today' Newsletter.
Health Informatics Society of Australia Ltd http://www.hisa.org.au/
HISA was established in 1992 by representatives of health informatics groups operating within Australia. Site has many features including links, downloads and publications. Details the Health Informatics Conference (HIC) held in Australia.