PATIENT PORTAL; Home stephen@ ... From pediatrics to geriatrics and everything in between, the caring staff of Northside Medical Professionals provide quality healthcare for those that mean the most to you. OFFICE HOURS. Nashville Highway ... Columbia, TN 38401 (931) 540-4210. Hours: Mon–Fri: 7am to 7pm Sat: 8am to 6pm Sun: 12pm to 6pm..