Assist the adult and pediatric Gastroenterologist (GI) or the Surgeon in various clinical, diagnostic, and therapeutic and emergency procedures. Serves as first assistant to the physician in esophagogastro-duodenoscopies (EGD), colonoscopies, flexible sigmoidoscopies, percutaneous endoscopic gastrostomy tube placements, push enteroscopy, anoscopies, small bowel push enteroscopies, peritoneoscopies (PEG), liver biopsies, and single balloon enteroscopies, Endoscopic retrograde cholangiopancreatography (ERCP), endoscopic ultrasounds (EUS), paracentesis.