Columbia's
Most Experienced Gastroenterologists
Columbia's Most Experienced
Gastroenterologists
How can we help you?
What Makes us Different?
Spanish Speaking Doctor
Onsite Endoscopy Center
Awarded Best by U.S. News and Reputation 800 in 2025.
About Us
At Columbia Gastroenterology Associates, we are committed to providing our patients with the most appropriate and cost-effective digestive healthcare available in a comfortable and compassionate setting. Our staff is specially trained to coordinate patient care and ensure that all medical needs are met, making our practice the right choice for those with digestive problems.
Gastroenterologists you can trust:
Celebrating 40 years in business
Board certified physicians
We evaluate and treat a wide range of gastrointestinal and liver disorders
Express Scheduling Colonoscopy
If you are over 45 and haven’t had a colonoscopy, take advantage of the Express Scheduling by contacting Columbia Gastroenterology Associates. This saves time by eliminating an additional office visit, and, if you have a co-pay, reduces your out-of-pocket cost for exactly the same care and quality treatment.
Save Time and Money - Schedule your colonoscopy without a consultation
So there's no good reason to wait to get checked, and with Express Scheduling there's no need to wait at all. Call 803-799-4800 today for more information.
Conditions We Specialize In
Our physicians have experience treating a wide variety of gastroenterological conditions, the most common of which are below.
Testimonials
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Dr George Postic was able to fit me in for an emergency consult and a followup procedure the next day. Wanda was point person for this experience and wouldn't take no for an answer in getting the insurance lined following up and confirming in the compressed time frame.Crista was efficient in taking vitals and prepping for visit. conveyed air of quiet competence. Kayla and Nicole manned the front … Read More desks and expedited the new patient process. and Cynthia my scheduler clearly explained the next day's procedure crossing T's and dotting I's, meds allowed, fasting benchmarks, and driver requirements and which building to report to. All this is a credit to Dr Postics organizational skills. Also impressed with the thoroughness of his interview of me and sizing me up as a procedure candidate.You will be well served if you are lucky enough to get this team - Every associate was so friendly from the front desk to the doctor to scheduling. The doctor listened attentively and made sure my questions were answered without judgment or harsh undertones. It was such a pleasant experience.
- From the moment I arrived, I received outstanding service. Kayla greeted me with a friendly smile and made check-in quick and easy. The nurse who walked me back was kind, attentive, and made sure I was comfortable. Dr. Kimbrough was thorough, professional, and took time to answer all my questions. Ms. Cynthia, the scheduler, was efficient and helpful in getting my next appointment set up, and Ms. Wanda … Read More made checkout just as smooth as check-in.The entire process—from beginning to end—was seamless, organized, and handled with care. I truly appreciate the professionalism and teamwork from everyone I encountered.
- I have never had an issue with service here. They are top notch! and from the start Kayla is always nice and it's most appreciated. Dr. Mann is incredible Im very happy here and will continue to be serviced here. Kudos to the entire office from the front to scheduling they are wonderful folks.
