Dr. Gary Walker, MD, MPH, MS, is a dedicated and highly experienced Radiation Oncologist practicing in Gilbert, AZ. With over 13 years in the medical field, Dr. Walker specializes in multiple areas of radiation oncology, including Thoracic, Gastrointestinal, and Head and Neck Oncology. He graduated from Baylor College of Medicine and completed his residency at the University of Texas MD Anderson Cancer Center. Dr....