Procedures Preformed by Dr. Andrew C. Chang, MD

• Bravo pH Testing
• Capsule Endoscopy
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopic Polypectomy
• Endoscopy (Esophagus, Stomach, Small Intestine)
• ERCP (Endoscopic Retrograde Cholangiopancreatography)
• Hemorrhoid Treatment
• Liver Biopsy