Organizations struggling with Standard 2.II (specifically approved primary and secondary source verification agencies) are urged to review Appendix L of the AAAHC Handbook for Ambulatory Health Care. Listed here are more than 20 organizations recognized by AAAHC as approved sources, including: The Federation of State Medical Boards list, the American Medical Association Physician Master Profile, the American Osteopathic Association, and the National Commission on Certification of Physician Assistants and direct links to its Web site.