Columbia Gastroenterology Associates REQUEST AN APPOINTMENT Address: 2739 Laurel St, Ste 1A Columbia, South Carolina 29204 Customer Service: 803-799-4800 FAX: 803-252-0052 Email: practiceadmin@colagastro.com Hours: Monday, Tuesday, Wednesday, Thursday8:00 am – 5:00 pmFriday8:00 am – 4:00 pm