About Hattiesburg G.I. Associates

Our Board-Certified physicians and nurse practitioner strive to provide you with outstanding medical care for all your gastrointestinal needs. Our practice specializes in the diagnosis and treatment of digestive diseases in adults involving the esophagus, stomach, small and large intestines, rectum, liver, pancreas and biliary system.

These diseases include but are not limited to; gastroesophageal reflux, colitis, constipation, diarrhea, gallstones, heartburn, hepatitis, hemorrhoids, jaundice, irritable bowel syndrome, inflammatory bowel disease and diseases of the liver.

Our Mission

  • To provide a high-quality, caring practice of gastroenterology and hepatology for Hattiesburg and the surrounding counties.
  • To maintain a professional style of practice in which the needs of our patients and referring physicians are met in a timely, caring and sensitive manner.
  • To educate our patients in preventative measures to keep our patients and their families in good health.
  • To provide pleasant surroundings for our patients and our staff with an enjoyable work environment.

Meet Our CEO

Clayton Foley CEO of Hattiesburg G.I. Associates
Clayton Foley

Clay joined us as Chief Executive Officer in December of 2011 and brings 26 years of healthcare experience to our practice. Originally from Loris, South Carolina, he is a 22-year veteran of the United States Navy serving in Operations Desert Shield, Desert Storm and Enduring Freedom. Clay received his Bachelor of Science in Business Studies from Southern New Hampshire University and his Master of Health Administration from the University of New Hampshire. He is a member of the Medical Group Management Association. Clay is married to Dawna Sue Boisvert Foley of Portland, Maine and they have two daughters, Alyson and Breanna. Clay also has two adult daughters, Britni and Whitni, and a grandson- Julian.  He enjoys golf, jogging and listening to music.

Meet Our Office Manager

Suzette Barnes Hattiesburg G.I. Associates Ofice Manager
Suzette Barnes

Employed as Office Manager at Hattiesburg GI Associates since 1991. Suzette has been employed at Hattiesburg GI Associates since the clinic was formed in 1991.  She is a native of Hattiesburg and graduated from Oak Grove High School in 1980.  Suzette has been married to Charles Ray Barnes for over 20 years and they have a wonderful son, Nicolas.  She enjoys spending time with her family, reading and baking.

Meet Our Ambulatory Surgery Center Manager


Terri Crawley, RN

Terri has been the Manager of the Digestive Diseases Center since it opened in 2004.  Prior to joining our practice, she was the Clinical Coordinator of Endoscopy at Wesley Medical Center.  Terri has more than 30 years of experience in Nursing with 20 years of that experience in Gastrointestinal Endoscopy.  Terri resides in Columbia, Mississippi and  enjoys spending time with her grandchildren and camping.


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