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F. Marc Stewart, MD

Dr. Stewart is an oncologist and the medical director of Seattle Cancer Care Alliance.

Patient Care Philosophy:

It is a great honor to care for patients in ways which deliver state of the art therapy together with empathy, compassion, and respect.

Dr. Stewart's Resume


  • Medical Director, Seattle Cancer Care Alliance
  • Member, Clinical Research Division, Fred Hutchinson Cancer Research Center
  • Professor, Medical Oncology Division, University of Washington School of Medicine

Clinical Expertise

Stem cell transplantation, head and neck cancers, genitourinary cancer, blood disorders

Education And Training

  • Indiana University, Medicine, 1977
  • Internship: Bridgeport Hospital, Medicine, 1978
  • Residency: Indiana University Hospitals, Medicine, 1980
  • Fellowships: University of Virginia, Hematology, 1983
  • Indiana University Hospitals, Oncology, 1981

More Information

For more information about Dr. Stewart's clinical and research expertise, click here.

Dr. Stewart's Story

Long before Marc Stewart, MD became a physician, he would follow his grandfather on rounds at the hospital in his home town in Indiana.

“I was probably 10 or 12 years old at the time,” Dr. Stewart said. “They wouldn’t let a young fellow like that do that now though. I thought it was fun and interesting. I liked my grandfather’s style in dealing with patients, family members, and physicians. He whistled through the hospital as he worked. Quite a friendly guy!”

Dr. Stewart says he always assumed he’d go into medicine. His grandfather was there when he graduated from college and got accepted into medical school. Like his grandfather, Dr. Stewart has become known for whistling while he works, too, although occasionally he says he’s been asked to moderate it. Clinicians, staff, and patients know who’s coming down the hallway by the song in the air.

Finding His Place

When it came time to choose a specialty in medical school, Dr. Stewart credits one his hematology professors at Yale, whom he found to be an outstanding teacher and an inspiring physician and thinker.

“I found blood to be a fascinating part of our biology,” Dr. Stewart said. “Later, when I selected a fellowship at the University of Virginia, I was very intrigued by stem cells and blood and marrow transplantation. I decided to specialize in hematology.”

After working at the universities of Virginia and Massachusetts, Dr. Stewart joined Seattle Cancer Care Alliance in 2000 as the medical director.

Looking Forward

“Medicine has become increasingly complex,” Dr. Stewart said. “We know so much more now than when I was in medical school and how different each cancer is. We are going to need many more focused and diverse specialists in the future.”

Dr. Stewart believes the future of medicine is in detecting cancer earlier based on genetic risk factors and ultimately preventing it all together, which he says is possible in some diseases. Since the aging process inevitably produces mutations in cells which may lead to cancer, more refined and specific treatments like drugs to target molecular defects or new immunology-based treatments may become the most important treatments over the next few decades.

When he isn’t working, Dr. Stewart enjoys riding his bike or playing piano or spending time with this wife and children.