The contractor shall provide services of one Gastroenterologist to perform the following administrative and clinical services at the Salem VAMC: Perform GI endoscopic procedures daily in the Endoscopy Suite, Responsible for the dictation of procedure notes, Provide Gastroenterology On-Call coverage as required, approximately one (1) weekend per month, and approximately four (4) weekdays per month., Diagnose and treat within the scope of Gastroenterology, Procedures include the following: (1)Colonoscopy (2) Conscious sedation (3) Endoscopic control of bleeding(4) Esophageal dilation – endoscopic pneumatic dilators, malloney dilators(5) Esophageal varicus band ligation (6) Esophageal varicus injection ligation(7)Esophago-Gastroduodenscopy with biopsy(8) Heaer probe coagulation(9) Liver Biopsy(10) Percutaneous endoscopic gastrotomy (11) Proctoscopy (12) Sigmoid-flexible