Her education and training includes medical school at the University of Texas Medical School at Houston and residency at New York-Presbyterian Hospital and a hospital affiliated with Weill Cornell Medical College. Her areas of expertise include the following: asthma and sinus problems. Dr. Dy is in-network for Anthem, Blue Cross/Blue Shield, and Coventry, as well as other insurance carriers. Her hospital/clinic affiliations include Barnes-Jewish West County Hospital, Washington University Physicians, and Barnes-Jewish Hospital.