COVID-19 HEALTH ALERT!  For the safety of our patients and staff, effective March 30, 2020, new patients and patients with disabilities will be permitted one visitor over the age of 15. No other visitors will be permitted into the clinic.  Family members and caretakers may participate in the appointments remotely by phone or video conference if desired.

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Gregory Patton, MD

Radiation Oncology - Gregory Patton, MD

Gregory Patton, MD


Radiation Oncology

Primary Location

Rose Quarter Cancer Center
265 N Broadway
Portland, OR 97227
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Phone Number


Medical School

Doctor of Medicine, Baylor College of Medicine, Houston, TX


Baylor College of Medicine Affiliated Hospitals, Houston, TX

Board Certification

Diplomate of the American Board of Radiology in Radiation Oncology


  • Breast cancer
  • Brain tumors
  • Gynecologic cancers
  • Gastrointestinal cancers
  • Lung cancers


  • American Society for Therapeutic Radiology and Oncology (ASTRO)
  • American College of Radiation Oncology (ACRO)
  • American Society of Clinical Oncology (ASCO)
  • Oregon Radiation Oncology Society (OROS)


Dr. Patton was named one of Portland's Top Medical Providers 2020 by Portland Monthly Magazine.

Dr. Patton is a radiation oncologist and has been in practice for thirty years. Dr. Patton treats all types of cancer with a special focus on breast cancer. He has advanced expertise in Gamma Knife stereotactic radiosurgery and brachytherapy. His multidisciplinary approach to care centers around the belief that collaboration among the different medical specialists leads to the right answer for treatment. He incorporates the results from patient evaluation (examination, imaging, laboratory, surgery) together with current medical evidence to offer treatment options reflecting the concerns and preferences of the patient and family.

Dr. Patton has a wife and two children including a son who is a cancer survivor. He enjoys flat water kayaking and taking adventure travel excursions.

What Patients Say

"Found him to be very personable and gave me great confidence in his abilities. Very comfortable with him as my physician." --- Healthgrades

"He was very caring. Thorough, easy to discuss fears and anxieties with. Compass Oncology staff are magically assuring, attentive, caring, supportive, open, and loving." --- Healthgrades

Professional, calm and experienced. Dr. Patton is sensitive to your needs without seeming rote or over the top. I believe he is sincere in making sure your time with him is the best for you as a patient and not for his convenience. – Healthgrades

*The information included in this testimonial is based on one patient’s unique experience and is not intended to represent all patient outcomes or expectations.

Compass Oncology - The US Oncology Network