Suggest an Edit Name* Categories* Doctor Hospital Pharmacy Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 09:00 am — 05:00 pm Tuesday: 09:00 am — 05:00 pm Wednesday: 09:00 am — 05:00 pm Thursday: 09:00 am — 05:00 pm Friday: 09:00 am — 05:00 pm Saturday: 09:00 am — 03:00 pm Company description Dr. Jae K Yang located in the city of O Fallon, state Illinois. The legal address of the Doctor 103 N Oak St. Directions to the Doctor Dr. Jae K Yang can be found on our interactive map. Ask your questions by calling 6184366000 on workdays.NPI number: Data not providedProvider's gender: Data not providedPractice names: Data not providedBoard certifications: Data not provided Your comments (not for publishing) * — Required information Dr. Jae K Yang - O Fallon ← View details 103 N Oak St, Illinois, O Fallon, 62269, O Fallon, Illinois 62269 6184366000