David Chew, MD, specializes in Vascular Surgery at MercyOne Iowa Heart Center West Des Moines in West Des Moines, Iowa. Certifications: general and thoracic surgery Medical School: National University of Singapore Internship: Royal College of Surgeons in Edinburgh, U.K. Residency: Columbia University/St. Luke's-Roosevelt Hospital in New York City Fellowship: Harvard University/Brigham and Women's Hospital in Boston