With locations in Leesburg, Purcellville and Sterling, Allergy, Asthma & Sinus Center is the practice of Drs. Huong Thai-Kemprowski, Behnam Dagigh and Saba Sharif. The doctors specialize in treating allergic disorders and asthma. Conditions treated include sinus problems, eczema, hayfever, food allergies and respitory problems. Most major forms of payment and insurance plans are accepted. Visit the Allergy, Asthma & Sinus Center's website for more information and the conditions treated by this practice.