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Since 1958, ASTRO has worked to advance the practice of radiation oncology and cultivate an environment where radiation oncology can function efficiently and safely. As your professional Society, ASTRO is committed to providing you with many valuable benefits and services, such as offering opportunities for your educational and professional development, advocating for your interests before insurers, regulators and legislators, and supporting important research that advances the field of radiation oncology.

More than 10,000 members strong, ASTRO's membership includes radiation oncologists, medical physicists, dosimetrists, radiation therapists, radiation oncology nurses and nurse practitioners, biologists, physician assistants, practice administrators and industry representatives. 

Categories and Benefits

Invest in your career and the future of our specialty. Become a member of ASTRO. At ASTRO, we are committed to providing avenues for your professional and educational development.


A look at the radiation oncologist workforce today and future projections.


ASTRO counts more than 10,000 radiation oncologists and professionals from other related occupations among its members.


Searching for an ASTRO member to refer a patient or to network? ASTRO's online member directory allows you to look up members by name, disease site, modality, proximity, etc.

Career Center

This online career board offers employers and job seekers an easy-to-use and highly targeted resource for online employment connections.

Questions about membership?

Contact the membership department at 703-839-7328 or 703-839-7330 or at membership@astro.org.

ASTRO Membership Brochure

Read for information on all of ASTRO's meetings, programs and services

Apply for Membership

More than 10,000 of your colleagues are already members of ASTRO. What are you waiting for? 
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