1208 Office Park Drive Oxford, MS 38655 Telephone: 662.234.9888 Monday through Friday 8:00 a.m. to 5:00 p.m. If you need your medication refilled, please call your pharmacy. If they need approval, they will call us. Allow 24 hours notice when getting a refill as it is important that you NOT run out of your medicine. Driving Directions Traveling WEST on MS-6 W Take exit for South Lamar Blvd Turn LEFT onto South Lamar Blvd Travel 1.5 miles down South Lamar Blvd Turn LEFT onto Office Park Drive Turn RIGHT at 1208 Office Park Drive.  You will see the sign for Gastroenterology Associates of North Mississippi.