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Charleston Gastroenterology Center
Charleston, SC

John K. Corless, MD
John K. Corless, MD

Dr. Corless received his medical degree from Georgetown University School of Medicine in Washington, D.C. in 1977. After completing his internal medicine residency and serving a year as Chief of Medical Residents at the Medical University of South Carolina in Charleston, SC he did a Gastroenterology fellowship at Medical College of Georgia in Augusta, GA.

Dr. Corless has been in private practice in Charleston, SC since 1983 and is board-certified in Gastroenterology and Internal Medicine. He is a founding member of Charleston Gastroenterology Specialists and the Charleston Endoscopy Center as well as a clinical associate professor of medicine at the Medical University of South Carolina in Charleston.

Special interests include diagnostic and interventional endoscopy of the upper and lower GI tract, capsule enteroscopy, hemorrhoid treatment and prevention, ERCP, placement of plastic & metal stents, and laser lithotripsy.

Neven Hadzijahic, MD
Neven Hadzijahic, MD

Dr. Hadzijahic is a medical school graduate from the University of Sarajevo in Bosnia and Herzegovina, and completed his Internship at University Hospital at the University of Sarajevo. Upon coming to the United States, he fulfilled his Residency at the Department of Internal Medicine at the Medical University of South Carolina, and completed his Fellowships in Gastroenterology and Endoscopic Ultrasonography at the same institution.

Dr. Hadzijahic is Board Certified in Internal Medicine and Gastroenterology.
Marc D. Noble, MD
Marc D. Noble, MD

Dr. Noble achieved his Medical Degree at the University of Texas Southwestern Medical School, and fulfilled his Internship and Residency at the University of Alabama at Birmingham. He completed his Fellowship at Duke University, and has extended education in Advanced Therapeutic Endoscopy, Endoscopic Ultrasonography, Barretts Ablation, and Internal Stent Placement.

Dr. Noble is Board Certified in Internal Medicine and Gastroenterology.
Lee M. Royall, MD
Lee M. Royall, MD

Dr. Royall achieved his Medical Degree at the Medical University of South Carolina, and fulfilled his Internship and Residency at the University of Alabama at Birmingham. He completed his Fellowship at the University of Tennessee and is Board Certified in Internal Medicine and Gastroenterology.
R. Sidney G. Smith, MD
R. Sidney G. Smith, MD

Dr. Smith achieved his Medical Degree at the Medical University of South Carolina. He fulfilled his Internship, Residency, and Fellowship at Wake Forest University in Winston-Salem, North Carolina. Dr. Smith is Board Certified in Internal Medicine and Gastroenterology.
Charleston Gastroenterology Center - (843) 722-8000