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Continuing Certification Overview

ASTRO encourages all current and future American Board of Radiology (ABR) diplomates to visit the ABR website to learn about the details of Continuing Certification (MOC). 

Participate in ASTRO's CME and SA-CME offerings.


Continuing Certification (MOC) is an integral part of the quality movement in health care. Patients, your physician peers, and your colleagues all value Continuing Certification (MOC) because it demonstrates your support for continuous quality improvement, professional development, and quality patient care. The ABR believes in the value of Continuing Certification (MOC). Therefore, all ABR volunteers, including governors and trustees, are required to participate in Continuing Certification (MOC).

Every diplomate electing to participate in the Continuing Certification (MOC) program is expected to meet all requirements as listed below. The four parts of Continuing Certification (MOC) are:

Part 1: Professionalism and Professional Standing
Part 2: Lifelong Learning 
Part 3: Assessment of Knowledge, Judgment, and Skills
Part 4: Improvement in Medical Practice

Participation Guidelines

Continuing Certification (MOC) ComponentElementCompliance Requirement
Professionalism and Professional StandingLicensure1Must hold a license to practice medicine in a jurisdiction in the United States, its territories, or Canada. All licenses must be unrestricted.
Lifelong LearningCMEMust have completed at least 75 Category 1 CME within the last three calendar years.
Assessment of Knowledge, Judgment, and SkillOLA or Continuing Certification ExamMust meet or exceed the standard in a current cumulative score in Online Longitudinal Assessment (OLA) in year five or pass a Continuing Certification Exam in year four or five of the Part 3 cycle.
Improvement in Medical PracticePQI Project or ActivityMust have completed at least one PQI Project or Participatory Quality Improvement Activity within the last three calendar years.
1Medical Physics Diplomates Only: Part 1 requires valid, unrestricted licensure if practicing in Florida, Hawaii, New York or Texas. Those without licensure must have one available attester as defined by the ABR.

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