Procedures Preformed by Dr. Christopher B. Keller, DO

• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Flexible Sigmoidoscopy
• Gastroscopy
• Hemorrhoid Banding
• Hemorrhoidectomy or Excision of Anal Tags
• High Resolution Esophageal Manometry
• Liver Biopsy
• Manometry
• Percutaneous Edoscopic Gastrostomy (PEG)
• Small Bowel Enteroscopy