Dr. Chang is an internal medicine physician at Graybill Medical Group. He earned a bachelor’s degree in biology, with honors and distinction, from Stanford University, and his medical degree from the University of Southern California School of Medicine. He completed his internal medicine residency at Kaiser Permanente Medical Center in Santa Clara. Board certified by the American Board of Internal Medicine, Dr. Chang focuses his practice on sports medicine and cardiovascular health. With 28 years in practice, he most values getting to know his patients over the long term.