Dr. Mark A. Matza is a board-certified rheumatologist at the Massachusetts General Hospital. He received his undergraduate degree from Yale University and both MD and MBA degrees from Georgetown University. He completed his internal medicine training at the Mount Sinai Hospital in New York City and rheumatology fellowship at the Massachusetts General Hospital. He has clinical interests in giant cell arteritis, polymyalgia rheumatica, inflammatory arthritis, gout, IgG4-related disease, and musculoskeletal ultrasound. He partakes in clinical trials in giant cell arteritis and polymyalgia rheumatica and has a special interest in the use of ultrasound in the early diagnosis of giant cell arteritis. He is certified in musculoskeletal ultrasound through the American College of Rheumatology (RhMSUS). He enjoys playing golf in his free time.