Stephen Mayer, M.D., is an  oncology and hematology physician at the Onvida Health Cancer and Blood Disorders Center. Dr. Mayer attended medical school at Boston University School of Medicine in Boston, MA. He completed his internal medicine residency and medical oncology fellowship at Beth Israel Deaconess Medical Center, Harvard Medical School in Boston, MA.

When he is not taking care of patients, Dr. Mayer enjoys hiking, biking, traveling and spending time with his family and dogs.