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The Accreditation Association was formed in 1979 by six member organizations including the American College Health Association, the ASC Association, and the Medical Group Management Association.
The Accreditation Association has 18 Association Members:
Ambulatory Surgery Foundation
American Academy of Cosmetic Surgery
American Academy of Dental Group Practice
American Academy of Dermatology
American Academy of Facial Plastic and Reconstructive Surgery
American Association of Oral and Maxillofacial Surgeons
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American College of Gastroenterology
American College Health Association
American College of Mohs Surgery
American College of Obstetricians and Gynecologists
American Dental Association
American Gastroenterological Association
American Society of Anesthesiologists
American Society for Dermatologic Surgery
American Society for Gastrointestinal Endoscopy
Association of periOperative Registered Nurses
Medical Group Management Association
Society of Ambulatory Anesthesia
From Wikipedia’s article on Accreditation Association for Ambulatory Health Care, shared under CC BY-SA 4.0.4