Marcy Southwell, PA-C and Dr. Robert Thomson

Concord Hospital Gastroenterology


If you've ever had an upset stomach or a case of heartburn, you know how painful digestive problems can be. But the digestive system is made up of more than just the stomach. Other organs, like the small intestine and the colon, are also part of the digestive system. If you're experiencing a problem with any of these organs, turn to the specialists at Concord Hospital Gastroenterology for expert care and treatment of a variety of common and uncommon gastrointestinal conditions. The team of board-certified gastroenterologists and physician assistants will develop a diagnostic and treatment plan that takes into consideration meeting your goals for improved gastrointestinal health.

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  • Colonoscopy - examination of the colon or large bowel
  • Esophagogastroduodenoscopy (EGD) - examination of the upper gastrointestinal tract
  • Flexible sigmoidoscopy - examination of the lower section of the large intestine
  • Endoscopic Retrograde Cholangiopancreatography (ERCP) - examination of the bile and pancreatic ducts
  • Endoscopic Ultrasound (EUS) - ultrasonic exam of the digestive tract and the surrounding tissue and organs
  • Small bowel capsule - a method used to take pictures of the small intestine using a wireless camera. 
Advanced Gastroenterology Treatment Options Benefit You

Infusion Therapy

The administration of intravenous medication, intravenous fluid and/or blood products is available for the treatment of gastrointestinal diseases or disorders.

Barrx™ Radiofrequency Ablation (RFA)

Radiofrequency ablation uses thermal heat energy to destroy abnormal tissue resulting from Barrett’s esophagus, a condition that can often result from chronic heartburn or Gastroesophageal Reflux Disease (GERD). Most patients who have RFA recover quickly and return to daily activities within a couple of days.

Hemorrhoid Banding

Rubber band ligation is a non-surgical procedure in which the hemorrhoid is tied off at its base with rubber bands, cutting off the blood flow to hemorrhoids. Rubber band ligation is considered to be the most effective nonsurgical treatment for internal hemorrhoids over the long term.