Biography & Education


"My expert team provides state of the art, evidence-based care. I individualize my treatment recommendations, and treat each patient as I would my own family. My focuses are cure, comfort, and quality of life."

Dr. Hansen is a Board Certified Radiation Oncologist. He graduated with honors from Yale University (BA) and Oregon Health & Science University (MD). He completed his radiation oncology residency at University of California San Francisco (UCSF). Dr. Hansen served as President of the Oregon Radiation Oncology Society and is a member of the American Society of Radiation Oncology. He was selected by President Clinton as a United States Presidential Scholar. Dr. Hansen is Editor of "Handbook of Evidence-Based Radiation Oncology," a leading medical text used by Radiation Oncologists worldwide. 

Dr. Hansen is originally from Portland, OR. He enjoys hiking, outdoor activities, and sports with his wife, 3 children, and dog. He is a technology enthusiast, book lover, and fan of the Trailblazers, Timbers, Thorns, and athletes throughout Oregon.
Areas of expertise

Brain & Spine Tumors, Breast Cancer, Gastrointestinal Cancers (Esophagus, Stomach, Colorectal, Anal, Pancreas, Hepatobiliary), Genitourinary Cancers (Prostate, Bladder, Testis), Head & Neck Cancer, Lung Cancers, Lymphomas & Myeloma, Metastases and Palliation, Sarcomas & Bone Tumors, Skin Cancers, Other uncommon benign and malignant conditions

  • B.A., Yale University, New Haven, CT, 1998
  • M.D., Oregon Health & Science University (OHSU), Portland, OR, 1998-2002
  • Internship, Internal Medicine, St. Mary’s Medical Center, San Francisco, CA, 2002-2003
  • Residency, Radiation Oncology, University of California San Francisco, San Francisco, CA, 2003-2007
  • English

Care Locations

9205 SW Barnes Road
Lower Level
Portland, OR 97225
Fax 503-216-2196