Dr. Herrmann's areas of focus include rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, Sjogren's syndrome, scleroderma, systemic lupus erythematosus, mixed connective tissue disease, polymyositis/dermatomyositis, and osteoporosis. He offers many specialized treatments, including immunosuppressive therapy and infusion therapy. His approach to treatment is catered to each individual based on their symptoms, examination, and goals of treatment.