Care for patients with diagnoses including colon surgery, Whipple surgery, cholecystectomy, liver resections, bariatric surgery, GYN surgery, mastectomy, hernia surgery, colitis, pancreatitis, abdominal pain, gastroparesis, bowel obstruction, and Crohn's disease. Must be able to comply with facility fit-testing requirements for respiratory mask use; candidates must be clean-shaven for mask seal during fit testing - no exemptions are accepted.