Catriona Swift, DO, is a board-certified bariatric surgeon with Ascension Saint Agnes in Catonsville, MD. Dr. Swift starts by listening to you. Then, she delivers compassionate, personalized care that helps you meet your goals. Dr. Swift is trained in laparoscopic, robotic, and endoscopic techniques and offers duodenal switch, gastric bypass, sleeve gastrectomy, revisional bariatric surgery, endoscopic weight loss procedures, and surgical treatment of GERD, hiatal hernia and achalasia.