Columbia 1000 Eleven South Suite 4F Columbia, IL 62236 Hours Monday - Friday 9:00 AM - 5:00 PM Saturday - Sunday CLOSED SERVICES ENT Care In-Home Sleep Studies Audiology + Hearing Aids Allergy Testing + Treatment Call 618-628-0715 Providers At This Location David Lesko MD Kenan SahbazAP Beth Fernandez Au.D.