About Clinic

William F. Buchner, Jr., M.D. began Gastrointestinal Associates in 1989. In 2006 Paul A. Brundage, D.O. joined the practice. Shelia A. Trew, C-FNP joined the practice in 2001. Nick Nakdimen, FNP-BC and Kari Williams, FNP-BC joined our practice in 2018 and left for a short period of time and returned in 2022.

We are here to provide the best care to our patients, that is cost effective, timely and necessary for the condition that we are treating.

We have served patients in Cleveland, TN and the surrounding area since 1989.

Our goal is to treat patients with respect and as if they were our family member.

Qualified Doctors

25 years of experience

Modern Equipment

Branded and time tested

Emergency Help

Get help any time of the day

Individual Approach

Each case is always special




expert Providers


plus patients treated


medical services

Our Physicians

Our Advanced Practitioners