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For registration questions, contact the ASTRO Registration Center at 1-800-541-6058 (toll free) or +1-571-549-4534 (international).

Registration

Registration for the 2025 ASTRO Annual Meeting will open on Thursday, May 15, 2025.

ASTRO 2025 Registration Agent

The official registration agent for ASTRO 2025 is SPARGO, Inc. If you are contacted by anyone who is not a representative of SPARGO, Inc., asking if you need to registration for the ASTRO Annual Meeting, please get as much information as you can and pass it along to us. Learn more about registration and housing fraud.

Registration Fees

Review the registration packages for the in-person or live virtual meeting. Get more content at no additional cost!

Registration Policies

View the ASTRO 2025 Annual Meeting registration policies for cancellation, ticketed events, check payments and visas.

Event Add-ons

Interested in attending one of ASTRO's event add-ons? Learn more about these events and the fees associated with each.

ASTRO Bistro

The ASTRO Bistro will provide buffet style meals with different cuisine options offered each day. The ASTRO Bistro provides a comfortable place to eat, meet and network with colleagues and exhibitors.

American Society for Radiation Oncology
251 18th Street South, 8th Floor
Arlington, VA 22202
Telephone: 703-502-1550
www.astro.org

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Exhibit Hall