Who we are and what we do

The Division of Gastroenterology offers a complete range of diagnostic, therapeutic, and management services for adult patients with gastrointestinal and liver diseases. We specialize in colon cancer screening and prevention and in the evaluation of abdominal pain, intestinal bleeding, irritable bowel syndrome, diarrhea and constipation, inflammatory bowel diseases, heartburn/acid reflux, peptic ulcer disease, and disorders of the pancreas, liver, and biliary tract. Our services include both inpatient and outpatient consultative evaluation and a broad range of routine and advanced endoscopic procedures.

State-of-the-art tertiary referral facilities and diagnostic and therapeutic technologies are used to define whether problems are present and to treat them when necessary. Our highly skilled team of gastroenterologists, nurses, and technicians is devoted to providing superb care utilizing the very latest knowledge and techniques.

Services provided

  • Upper Endoscopy (diagnostic and therapeutic)
  • Colonoscopy & Polypectomy
  • Endoscopic mucosal resection for large polyps
  • Gastrostomy feeding tube placement (PEG)
  • Esophageal manometry & whole-gut motility
  • Ambulatory esophageal pH (acid) monitoring
  • Wireless capsule endoscopy
  • Breath hydrogen testing
  • Stricture dilation
  • Esophageal impedance and planimetry (Endoflip™)

Advanced endoscopy procedures

  • ERCP (endoscopic retrograde cholangiopancreatography), including
      • sphincterotomy
      • stone extraction and destruction, including laser lithotripsy
      • stent placement/cancer palliation
      • stricture dilation
      • Spyglass™ cholangioscopy and pancreatoscopy
  • EUS (endoscopic ultrasound), including
      • pancreatic pseidocyst drainage
      • biopsy/fine needle aspirate
      • celiac plexus block (neurolysis)
  • Endoscopic submucosal dissection (ESD)
  • Ablation of Barrett’s esophagus
  • POEM procedure for achalasia
  • Endoscopic bariatric (weight loss) procedures


For information on how to refer a patient or make an appointment to be seen by a Gastroenterology Division faculty member, see Referrals & Appointments Info 

Contact Us

Division of Gastroenterology & Nutrition, MC 7878
UT Health San Antonio
7703 Floyd Curl Drive
San Antonio, Texas 78229-3900