American Board of Psychiatry and Neurology

The American Board of Psychiatry and Neurology, Inc. (ABPN) is a not-for-profit corporation founded in 1934 following conferences of committees appointed by the American Psychiatric Association, the American Neurological Association, and the then "Section on Nervous and Mental Diseases" of the American Medical Association.

Source: Wikipedia — American Board of Psychiatry and Neurology (CC BY-SA 4.0)