Douglas A. Nelson, MD, is a board-certified oncologist and hematologist and a former member of the Verywell Health medical expert board. After serving as a physician in the US Air Force for 13 years, he now practices at MD Anderson Cancer Center and is an Associate Professor in the Department of General Oncology. In addition to clinical practice, he has been involved in the teaching of residents and fellows and has received several awards for teaching excellence.
Dr. Nelson previously served as Center Medical Director of MD Anderson's regional center in The Woodlands, Texas. He is actively engaged in clinical research and treats a wide variety of malignancies with a current focus on gastrointestinal malignancies.
Dr. Nelson attended the University of California, San Diego for his undergraduate degree. He received his medical degree from the Uniformed Services University of the Health Sciences.
Verywell Health, a Dotdash Meredith Brand, is an award-winning online resource for reliable, empathetic, and up-to-date health information on medical topics that matter most to you. We reach more than 300 million readers annually. Verywell Health content is fact checked and reviewed by our Medical Expert Board for accuracy and integrity. Learn more about us and our editorial process.