Dr. Stanley Ralph Riddell, MD

Dr. Stanley Riddell is an oncologist and internal medicine physician who has dedicated 47 years to caring for patients with cancer and complex medical conditions. He earned his medical degree from the University of Manitoba Faculty of Medicine and completed his residency at the University of Washington Medical Center. His extensive experience spans nearly five decades of treating patients with various forms of cancer while also providing comprehensive internal medicine care. Dr. Riddell is fluent in Spanish and Chinese, allowing him to serve diverse patient populations throughout the Seattle area.

Dr. Riddell practices at several leading medical facilities in Seattle, including UW Medical Center Montlake, Harborview Medical Center, UW Medical Center Northwest, and Fred Hutchinson Cancer Center. His dual specialization enables him to provide both specialized cancer treatment and general medical care for adult patients. The Fred Hutchinson Cancer Center, where he maintains practice …locations, is internationally recognized for its innovative cancer research and treatment programs. Patients benefit from his decades of clinical expertise in managing complex oncology cases while receiving comprehensive medical care.