American Board of Radiology

Last revised by Daniel J Bell on 2 Aug 2021

The American Board of Radiology (ABR) is a national certifying board for radiologists in the United States of America. It is a member of the American Board of Specialities. It is headquartered in Tucson, Arizona. 
Vincent P Mathews is its current President.

The American Board of Radiology currently requires two examinations for certification:

The ABR and the American College of Radiology (ACR) are separate and independent organizations. Unlike in some other territories, e.g. United Kingdom and Australia, the American College does not certify radiologists.


In 1932, Arthur C Christie in his annual oration as president of the American College of Radiology expressed his wish to establish a separate organization to set certifying examinations for radiologists. This would be called the American Board of Radiology 1

The American Board of Radiology was founded in January 1934, following discussions between the four main radiology organizations in the United States, namely American Roentgen Ray Society (ARRS), Radiological Society of North America (RSNA), American College of Radiology (ACR) and the American Radium Society (ARS) 1.

In time, the radiation oncologists and radiologists, established distinct specialty residency training courses. In 1947, the American Board of Radiology introduced formal exams and certification for medical physicists, originally known as radiologic physics 1

In 2012, "interventional radiology/diagnostic radiology" was formally recognized as a separate medical specialty in the US (as distinct from "diagnostic radiology"), so that their own primary certification was introduced 1.

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