Dr. Koo is a licensed Family Medicine in MO. Graduated in 1998. Medical degree obtained from A.T. Still University of Health Sciences Kirksville College of Osteopathic Medicine. Completed residency training at Forest Park Hospital. Currently practices at SSM Health (SSM Health), located at 1101 Highway K, O'Fallon, MO 63366. Dr. Koo specializes in Acute care, Osteopathic medicine, Preventive care, Primary care, musculoskeletal injuries and preventative medicine.. In addition to English, Dr. Koo speaks Mandarin and accepts new patients.