Jes Alexander M.D., Ph.D.

Jes Alexander M.D., Ph.D.

Specialties and Expertise

Brain Tumors, Medical Oncology, Radiation Oncology




Seattle Cancer Care Alliance Proton Therapy Center

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


Dr. Alexander is a radiation oncologist working clinically at the SCCA Proton Therapy Center and as a researcher at the Fred Hutchinson Cancer Research Center (FHCRC) in the Solid Tumor Translational Research Group where he is studying mouse models of brain tumors to better understand and find treatments for brain tumors in patients.

Patient Care Philosophy

The doctor-patient relationship is based on communication and responsibility. I listen to my patients and do my very best to address their concerns and achieve their goals. My goal as a physician is to give my patients the right treatment for their disease, regardless of what it takes to accomplish this.

Personal Interests

Watching college basketball, technology and travelling.

Clinical Interests

Clinical interest in proton therapy.

Research Interests

CNS Cancers and translational research on brain tumors.


Duke Univ. School of MedicineMedical education2009
Massachusetts Institute of TechnologyPh.D
St. Mary's Medical Center, San FranciscoInternshipInternal Medicine
University of California, San FranciscoResidencyRadiation Oncology


Board Certifications

American Board of RadiologyRadiation Oncology2016
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