David Marcus, MD, is a board-certified radiation oncologist with expertise in the management of many types of cancer, including prostate cancer, breast cancer, and several others. He earned his medical degree at Emory University in Atlanta, Georgia, where he also completed residency training in radiation oncology.

Dr. Marcus currently practices at the Calaway Young Cancer Center in Glenwood Springs, Colorado.

As a lifelong learner, Dr. Marcus is enthusiastic about sharing his medical knowledge with his patients. He aims to empower his readers by giving them information that will allow them to live healthy, fulfilling lives.