Procedures Preformed by Dr. Roger M. Orth, MD

• Anoscopy
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopy (Esophagus, Stomach, Small Intestine)
• ERCP (Endoscopic Retrograde Cholangiopancreatography)
• Liver Biopsy
• Manometry