Procedures Preformed by Dr. John Chang, MD

• Biopsy
• Capsule Endoscopy
• Colon Cancer Screening
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopic Ultrasound
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Esophageal Dilatation
• Fecal Impaction Removal
• Flexible Sigmoidoscopy
• Liver Biopsy
• Manometry