Dr. Chwa is a licensed Orthodontics in IL. Graduated in 1984. Medical degree obtained from Northwestern University Dental School. Currently practices at Janzen Janzen and Chwa Orthodontics (Janzen Janzen and Chwa Orthodontics), located at 1220 Meadow Rd, Northbrook, IL 60062. Dr. Chwa specializes in Orthodontics.. In addition to English, Dr. Chwa speaks Mandarin and accepts new patients.