Initial Certification for Radiation Oncology

Prerequisites and Registration

Last verified on December 15, 2023


  • Pass all three parts of the computer-based Qualifying Exam
  • Complete 60 months of approved training (PGY 1 plus 48 months of radiation oncology residency)
  • Document in myABR a valid state or provincial medical license
  • Be current with all ABR fees and pay all exam fees before exam registration
Eligible candidates may take the exam in the calendar year following completion of training, regardless of the number of months that have elapsed.  


Registration for the oral Certifying Exam is by ABR invitation only.
Eligible candidates will receive an exam invitation approximately five months prior to the exam. The invitation will provide instructions and details on how to register for the exam.