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.

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

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

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

    Inside Scoop: Hollywood Royalty Takes the Throne
    June 25, 2018
    Considering that Hollywood's A-listers have walked countless red carpets and attended the most lavish events, it's not surprising that...
    Charleston GI Offers Innovative New Fecal Incontinence Treatment
    May 8, 2018
    For those living with fecal incontinence, also known as bowel incontinence, a bathroom always has to be within easy...
    Charleston GI Welcomes Maria Kennickell, PA-C!
    April 12, 2018
    We're excited to announce that our team is growing, with Maria Kennickell, PA-C as our most recent addition! A...

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.