ACMA : American Case Management Association Founded in 1999, the American Case Management Association (ACMA) is a national, non-profit, professional membership association, which supports the profession of case management and transitions of care in the health care delivery system setting. ACMA members are nurses, social workers, physicians, educators, administrators, and other professionals responsible for providing case management and transitions of care services in health care delivery systems. ACMA supports and advances case management and transitions of care through educational offerings, networking opportunities and public policy/legislative involvement.