Jes Alexander M.D., Ph.D.

 Jes Alexander M.D., Ph.D.

Specialties and Expertise

Brain tumors, Medical Oncology, Radiation Oncology


Cancer Care




Seattle Cancer Care Alliance Proton Therapy Center

1570 N 115th St.
Seattle, WA 981338401
Phone: 206.306.2800|Map It 


Jes Alexander, M.D., Ph.D., is a radiation oncologist who provides radiation treatments to cancer patients at the Seattle Cancer Care Alliance Proton Therapy Center.

Dr. Alexander is also a researcher at the Fred Hutchinson Cancer Research Center in the Solid Tumor Translational Research Group. He is studying mouse models of brain tumors to better understand and find treatments for brain tumors in patients.

Dr. Alexander believes the doctor-patient relationship is based on communication and responsibility. He listens to his patients and does his best to address their concerns and achieve their goals. His objective as a physician is to give his patients the right treatment for their disease, regardless of what it takes to accomplish this.

Personal Interests

On his spare time, Dr. Alexander enjoys watching college basketball, technology and travelling.


University of California, San FranciscoResidencyRadiation Oncology2014
St. Mary's Medical Center, San FranciscoInternshipInternal Medicine2010
Duke Univ. School of MedicineMedical education2009
Massachusetts Institute of TechnologyPh.D2008


Board Certifications

American Board of RadiologyRadiation Oncology2016
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