Arizona Oncology is dedicated to the health and safety of our patients, employees as well as all guests that visit any one of our clinics. We have updated our visitor policy at this time. Please note; only one caregiver is allowed to accompany during your appointment, no one under the age of 18, and no visitors in the infusion rooms, radiation and treatment areas. If you have flu-like symptoms, you should contact Arizona Oncology before visiting our clinics for scheduled appointments. This includes fever and symptoms of respiratory illness, such as coughing or difficulty breathing. We ask that you follow our tips to stay healthy and to help do our part in prevention of spreading of these viruses.

Locations and Physicians

Andrew W. Orton, MD

Patient Forms


Radiation Oncology


East Mesa Cancer Center - Medical, Radiation, Gynecologic Oncology and Hematology
6424 East Broadway
Mesa, AZ 85206
Phone: 480-854-1130
Fax: 480-854-6769

East Valley Cancer Center
7695 South Research Drive
Tempe, AZ 85284
Phone: 480-256-1664
Fax: 480-726-1854

Andrew Orton, MD


Brigham Young University, Provo, UT

Medical School

The George Washington University School of Medicine and Health Sciences


Intermountain Medical Center, Murray UT


University of Utah, Huntsman Cancer Institute

Board Certification

American Board of Radiology-Radiation Oncology and by the National Board of Medical Examiners


Dr Orton studied biochemistry at BYU and graduated with University Honors. He then attended medical school at George Washington University where he graduated with University Distinction, and completed his internship at Intermountain Medical Center. He completed his subspecialty training in Radiation Oncology at the Huntsman Cancer Institute at the University of Utah.

Dr. Orton has authored over 17 peer-reviewed scientific papers, and has presented original research at numerous national meetings. He has authored textbook chapters on gynecologic and GI malignancies and is an invited reviewer for the International Journal of Gynecologic Cancer.




Receiving a diagnosis of cancer is frightening, but receiving care shouldn't be. By choosing treatment at Arizona Oncology, you can rest assured that you are getting the most up-to-date and technologically advanced treatment available. I strive to treat each of my patients as though they were members of my own family.

Academic Honors & Professional Achievements

  • Alpha Omega Alpha Medical Honors Society
  • Gold Humanitarian Honors Society
  • Kane-King-Dodek Obstetrical Honors Society
  • American Brachytherapy Society Award for Outstanding Scientific Paper


Dr. Orton grew up in Tucson, and now lives in Gilbert with his wife and two children. He enjoys road biking, swimming, beekeeping, and making home movies with his kids.


American Brachytherapy Society (ABS)
American Society for Radiation Oncology (ASTRO)
American Radium Society (ARS)
Radiological Society of North America (RSNA)
American College of Radiation Oncology (ACRO)