Nicholas Wiemer, DO, is a rheumatologist specializing in the diagnosis and treatment of a wide range of inflammatory and autoimmune conditions. His expertise encompasses ankylosing spondylitis, arthritis, including osteoarthritis, rheumatoid arthritis, psoriatic arthritis, and gout, lupus, myositis, polymyalgia rheumatica, scleroderma, and vasculitis. He went to medical school at Lake Erie College of Osteopathic Medicine. Upon completion of medical school, he did an internal medicine residency and a rheumatology fellowship at Allegheny Health Network. Dr. Wiemer is certified by the American Board of Internal Medicine and the American Board of Internal Medicine — Rheumatology. He sees patients ages 18 and older.