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Dr. Wallace Combs is board certified in Gastroenterology. Dr. Combs completed his Internship, Residency & Fellowship in Gastroenterology at the University of South Florida. Dr. Combs provides the latest diagnostic and treatment options including Bravo pH testing for GERD and Halo ablation for Barrett’s esophagus. Dr. Combs has over 25 years of experience in acute patient care in Gastroenterology. He is a member of the American College of Gastroenterology.


  • Barrett’s esophagus including Barryx ablation and cryotherapy
  • Small Bowel and Colon Capsule Endoscopy
  • Colon Cancer Screening
  • Genetic Testing
  • ERCP
  • Esophageal Dilation and Stent placement
  • Hepatitis
  • Liver Disease
  • Crohn’s Disease and IBD
  • Treatment of GERD, IBS, abdominal pain, constipation, diarrhea, and all other GI diseases
  • All aspects of gastrointestinal care

Board Certifications

  • Gastroenterology
  • Hepatology


  • Medical School - Wright State University
  • Residency - University of South Florida
  • Fellowship - University of South Florida

Languages Spoken



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