Accreditation Council for Graduate Medical Education - "The Accreditation Council for Graduate Medical Education is responsible for the accreditation of post-MD medical training programs within the United States. Accreditation is accomplished through a peer review process and is based upon established standards and guidelines."

Association of American Medical Colleges - "The AAMC leads and serves the academic medicine community to improve the health of people everywhere. Founded in 1876 and based in Washington, D.C., the AAMC is a not-for-profit association dedicated to transforming health through medical education, health care, medical research, and community collaborations."

These site provide information about the organization's many activities and information resources.

The American Board of Medical Specialities (ABMS) - "The American Board of Medical Specialties (ABMS) is an organization of 24 approved medical specialty boards.  The intent of the certification of physicians is to provide assurance to the public that those certified by an ABMS Member Board have successfully completed an approved training program and an evaluation process assessing their ability to provide quality patient care in the specialty.  The ABMS serves to coordinate the activities of its Member Boards and to provide information to others concerning issues involving specialization and certification of medical specialists."  
The American Board of Internal Medicine - "The American Board of Internal Medicine is the only recognized board in the specialty of internal medicine and is one of the 24 certifying boards of the American Board of Medical Specialties. The ABIM is an independent, non-profit organization whose certificate is recognized throughout the world as signifying a high level of physician competence. The Board receives no public funds and does not issue licenses."
American Educational Research Association:  Division I - AERA is the most prominent international professional organization with the primary goal of advancing educational research and its practical application. Its 20,000 members are educators; administrators; directors of research, testing or evaluation in federal, state and local agencies; counselors; evaluators; graduate students; and behavioral scientists.
 Association for Medical Education in Europe - "...promoting the study of education in medicine and the health care professions and fostering communication among teachers".
Association for the Study of Medical Education - ASME draws its members from all areas of medical education - undergraduate, postgraduate and continuing - and from all specialties. It has a function as a forum for debate and exchange of information, and is building on its contacts in medicine and teaching in the UK and among other networks, to promote knowledge and expertise in medical education.
 Association for Surgical Education - The Association for Surgical Education was formed in 1980 and its members represent over 190 medical schools and institutions throughout the United States and Canada. Its primary goal is to promote the art and science of education in surgery. 
Education Council for Foreign Medical Graduates - "the Educational Commission for Foreign Medical Graduates (ECFMG) assesses the readiness of international medical graduates to enter residency or fellowship programs in the United States that are accredited by the Accreditation Council for Graduate Medical Education (ACGME)."
The Foundation for Advancement of International Medical Education and Research (FAIMER) is a non-profit foundation of the Educational Commission for Foreign Medical Graduates (ECFMG). FAIMER is committed to programs, research activities, and information resources that advance international medical education
 The Generalists in Medical Education - The site provides information on the annual meeting of the Generalists held in conjunction with the AAMC meeting.
 The Harvard Macy Institute was initially established in 1994, through a grant from the Josiah Macy Jr. Foundation.   The Institute is a collaborative effort of faculty from Harvard Medical School, Harvard Graduate School of Education and Harvard Graduate School of Business Administration.  The goal of the institute is to create and foster a worldwide community of scholars working on innovative change in medical education at the undergraduate, graduate, and continuing professional development levels.   Over 900 scholars from around the world have participated in the two core programs on which the institute's reputation is based. 
International Association of Medical Science Educators (IAMSE) - The International Association of Medical Science Educators was created to advance medical education through faculty development and to ensure that the teaching and learning of medicine continues to be firmly grounded in science
The Institute for International Medical Education- "The Institute for International Medical Education was established in 1999 and has been entrusted with the development of "global minimum essential (core) requirements" to be required by physicians throughout the world, as well as the task of collecting global information on different aspects of education of the medical profession. After testing these "essentials" in a few leading medical schools, they will be offered to the academic community as a tool to secure a quality of physicians' education worldwide."
National Board of Medical Examiners (NBME) - The National Board of Medical Examiners, founded in 1915, is a United States non-profit which develops and manages assessments of health care professionals. Known for its role in developing the United States Medical Licensing Examination (USMLE) in partnership with the Federation of State Medical Boards (FSMB), USMLE examinations for medical students and residents are used by medical licensing authorities in the U.S. to help determine qualifications to grant and recognize medical licenses. The NBME also creates assessments and materials that are used by medical students, medical educators, practicing physicians, and for state testing of physicians already holding licenses.
World Association of Medical Editors (WAME) - "The World Association of Medical Editors is a voluntary association of editors from many countries who seek to foster international cooperation among editors of peer-reviewed medical journals. WAME helps medical journal editors fulfill their responsibility to ensure that reports of medical research provide valid information in a form that is readily accessible by researchers, medical practitioners and othersby providing educational resources and a forum for discussion of issues in research publication. In particular, WAME aims to assist editors in developing countries and editors of small journals, who often face difficulties obtaining high-quality manuscripts, may lack formal training in editing, and have limited finances and access to publication expertise."
The World Federation for Medical Education is a organization concerned with the education and training of medical doctors.  Its activities cover all stages of medical education, i.e. basic (undergraduate) medical education, postgraduate vocational and specialist training and continuing medical education.