Welcome to Charleston GI

Charleston Gastroenterology Specialists, Charleston Endoscopy Center and Summerville Endoscopy Center are dedicated to the diagnosis, treatment and prevention of diseases affecting the digestive system. Charleston GI’s Open Access Colonoscopy Program allows patients without significant gastrointestinal symptoms or other health risk factors to schedule a colonoscopy without a preliminary visit prior to the procedure. Our practice is the first and largest gastroenterology practice in the lowcountry to operate a physicians’ practice and two nationally certified and state licensed endoscopy centers. Our mission is to provide the highest level of medical care in the field of gastroenterology. We value the health, service, and satisfaction of our patients above all else.

Hours & Locations


All Charleston GI locations are smoke free facilities.
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Charleston Endoscopy Center
Mon – Fri 7:00 am to 4:00 pm

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Charleston Gastroenterology Specialists, PA
Mon – Thur 8:00 am to 5:00 pm
Friday 8:00 am to 1:00 pm

Summerville Endoscopy Center
Mon – Fri 7:00 am to 4:00 pm

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Meet our Team

Charleston GI Rock Stars

Our team includes eleven outstanding Board Certified Gastroenterologists. Each physician granted privileges at Charleston Endoscopy Center and Summerville Endoscopy Center is required to be board certified by their respective specialty board, or board eligible and in the process of board certification. With combined experience of over 100 years of treating patients, our staff is dedicated to helping you with all of your needs.

News & Updates

    Staff Appreciation Week
    June 13, 2016
    Here at Charleston GI, we appreciate all our staff does for our practice and our community. We appreciate them...
    Charleston GI celebrated Red Nose Day!
    May 27, 2016
    Charleston GI celebrated Red Nose Day on May 26! Through the power of entertainment, Red Nose Day raises awareness...
    A Letter from Dr. Brener
    March 7, 2016
    Dear Patient, This letter is to notify you of my upcoming retirement. After 35 years in practice, my last day...

As Seen on TV!

What our patients think

- Patient of Dr. Marsteller

I have had a very difficult time w/ doctor and office staff since I moved to SC. CGI is the BEST Doctor and staff I’ve encountered down here. I recommend you to everyone. I don’t give out Very Goods easily, but you earned it.

-Moncks Corner

I was well pleased with the way things went. Staff was top notch and they should be commended for doing a good job. Dr. Brener is a very good doctor.


I was really afraid to have that procedure. Everyone was so very kind and reassuring. My thanks to your caring staff and Dr. Brener’s expertise.