Dr. Mark A. Matza is a board-certified rheumatologist at the Massachusetts General Hospital in Boston, Massachusetts. 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 vasculitis (giant cell arteritis and ANCA-associated vasculitis), inflammatory arthritis (rheumatoid arthritis, ankylosing spondylitis, psoriatic arthritis, and reactive arthritis), crystalline arthritis (gout and pseudogout), IgG4-related disease, and musculoskeletal ultrasound. Dr. Matza is certified in musculoskeletal ultrasound through the American College of Rheumatology (RhMSUS). He partakes in clinical trials in giant cell arteritis, IgG4-related disease, and gout and has a special interest in the use of ultrasound in the diagnosis of giant cell arteritis. He enjoys playing golf in his free time.