Our doctors are recognized leaders in treating many conditions that affect the immune system, including rheumatoid arthritis, psoriatic arthritis, systemic lupus erythematosus, vasculitis, and other autoimmune conditions. U.S. News & World Report’s “Best Hospitals” ranks 91����Ƶ Langone one of the top 10 hospitals in the nation for rheumatology for 2025–26.