Annandale Office:
3301 Woodburn Road
Ste 107 
Annandale, VA 22003
Tel: 703-876-0437
Fax: 703-876-0722

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From gastroesophageal reflux to colonoscopy, Northern Virginia Gastrointestinal Associates is equipped to handle all of your gastroenterology needs. To help you understand your options, we've included descriptions of some of our leading services on this page.


  • Colonoscopy
  • Flexible Sigmoidoscopy
  • Upper Endoscopy
  • Capsule Endoscopy
  • Esophageal Dilation
  • 24 hour Esophageal pH ¬†testing
  • H.pylori Breath Testing
  • Fructose Breath Testing
  • Bacterial Overgrowth Breath Testing
  • Lactose Breath Testing
  • Diverticulosis
  • Minor Rectal Bleeding
  • Barrett's Esophagus
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome