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James Ewing, MD

Primary Specialty

Medical Oncology

Dr. James Ewing is board-certified in Medical Oncology and in Internal Medicine.  He earned his medical degree from the University of Southern California, Keck School of Medicine and his undergraduate degree from Occidental College in Los Angeles, California.  He completed his internship and residency in Internal Medicine at Baylor University Medical Center (BUMC) in Dallas, Texas and his fellowship in Medical Oncology at Charles A. Sammons Cancer Center, BUMC, in Dallas.

Dr. Ewing is an active member of the American Society of Clinical Oncology (ASCO), American Society of Hematology (ASH), and Health Volunteers Overseas (HVO). He has authored and coauthored many articles in peer reviewed journals.

Dr. Ewing was born and raised in Tempe, AZ, and is a fourth generation Arizonan. After high school, he left to earn his undergraduate degree in biochemistry at Occidental College in Los Angeles, CA. He is thrilled to be home again. Aside from work, Dr. Ewing enjoys spending time with his family and friends. He likes to golf and is an avid fan of the Phoenix Suns.

Medical Education

Doctor of Medicine

University of Southern California Keck School of Medicine


Baylor University Medical Center, Dallas, TX
Medical Oncology

Board Certification

Board Certified in Medical Oncology

Click here to see Dr. Ewing’s complete curriculum vitae.

Dr. Ewing sees patients for Medical Oncology at our GlendalePhoenix, and Scottsdale locations.