Thank you for joining us in Seattle for the PTCOG-NA 9th Annual Meeting

On behalf of the PTCOG-NA Executive Committee and PTCOG-NA 9th Annual Meeting Local Host Committee we would like to thank all the Participants, Speakers, and Sponsors for their participation in PTCOG-NA 2023. 

Certificates & Evaluation

Certificate of Attendance has been issued to all attending participants and is available for download in the Online Portal.​

Evaluation form is available here; your feedback will be highly appreciated.

For accreditation please fill the CAMPEP Evaluation & ASRT Evaluation.


We thank to our PTCOG-NA Partners for their generous support!  

For any assistance please contact us at or, many thanks again for joining us.


On behalf of the PTCOG-NA Executive Committee and the PTCOG-NA 9th Annual Meeting Local Host Committee,

PTCOG-NA Conference Secretariat




To kickstart your meeting attendance, check the practical information, as well as the author guidelines, which are now available online. Whether you're seeking logistical details or guidance on crafting your presentation, you can find it all conveniently in one place. 
The official  9th Annual PTCOG-NA Meeting Mobile App is available now - click the link below for details and download links.

To download the app directly, scan the QR code:

Mobile App


Access the gala dinner booking through our convenient online registration form. Don't miss out on this incredible opportunity to connect with fellow attendees and celebrate the success of the conference. Don't waste any time as the capacity of the Gala Dinner venue is limited.
  • Click here for detailed Gala Dinner information.


You can proceed with your registration. Click here to read the registration guidelines.
To benefit from the Early Registration Fee, make sure to register before August 15, 2023.
Please note the social program options will be included soon - registered participants will have a chance to add the social program to their existing registration.

Dear Colleagues,

On behalf of the PTCOG-NA Executive Committee and our local hosts UW Medicine and Fred Hutch Cancer Center Proton Therapy, we are pleased to invite you to the Ninth Annual PTCOG-NA Conference to be held in Seattle, WA October 28 – 30, 2023. Our meeting will be held at the newly renovated Bell Harbor International Conference Center which offers scenic views of the Olympic Mountains, Mount Rainier, Puget Sound, Elliott Bay, and the Seattle skyline.
The call for abstracts is now officially open. For submission guidelines please click here.
We look forward to your participation and spending time with you in Seattle and hope you grow from the meeting.
Anita Mahajan MD
President, PTCOG-NA
Department of Radiation Oncology
Medical Director
Mayo Clinic Proton Therapy Center
Jing Zeng, MD 
Professor, Department of Radiation Oncology,
University of Washington School of Medicine.  
Medical Director, Fred Hutch Cancer Center Proton Therapy


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