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Douglas Kelly, MD

Radiation Oncologist

Southwestern Regional Medical Center

"My goal as a radiation oncologist is to offer patients advanced radiation treatments that eliminate cancer and cause as few side effects as possible. I strive to help patients have a better quality of life."

- Douglas Kelly, MD
Douglas Kelly, MD

Medical Degree

  • McGill University, Montreal, Quebec

Internship / Residency

  • Ottawa General Hospital & Ottawa Civic Hospital, Ottawa, Ontario
  • Radiation Oncology - Ottawa Regional Cancer Center


  • Radiation Oncology - American Board of Radiology
  • Diplomate, American Board of Radiology


  • Interstitial & Intracavitary Brachytherapy - University of Ottawa

Recent Blog Posts:

Practicing Since: 1995

Dr. Doug Kelly, a board-certified radiation oncologist, provides leading-edge radiation treatment to patients fighting cancers such as prostate, breast and lung cancer at Cancer Treatment Centers of America® (CTCA) in Tulsa, Oklahoma. Dr. Kelly is proud to provide personalized care, advanced treatment options and hope to patients, and he empowers his patients to help make decisions about their treatment.

Dr. Kelly’s areas of expertise include TomoTherapy®, stereotactic radiosurgery technologies such as CyberKnife®, brachytherapy and Accuboost®, as well as other methods of partial breast irradiation.

Dr. Kelly is a Diplomate of the American Board of Radiology. He earned a medical degree from McGill University in Montreal, Quebec. He completed a radiation oncology residency at Ottawa Regional Cancer Center. He also served as Chief Resident. Additionally, Dr. Kelly completed an interstitial and intracavitary brachytherapy fellowship at the University of Ottawa.

Dr. Kelly has authored and served as principal investigator for several research protocols. He has also presented on several radiation therapy topics at national conferences. He is a member of the American Society for Radiation Oncology and the Radiosurgery Society.

Dr. Kelly has two college-aged daughters and a young son. He enjoys cycling and hiking and has a passion for black-and-white photography. In his spare time, he enjoys writing and blogging, as well as researching ideas and new innovations, and has a patent application pending for a method to more efficiently treat multiple brain tumors.

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