Allergy, Asthma & Sinus Center, Logo
Lansdowne (703)-972-2241
Purcellville(540)-585-4034
Sterling (703)-594-8386

About the Allergy, Asthma & Sinus Center in Leesburg and Sterling, VA

At the Allergy, Asthma & Sinus Center, we work to provide you with the highest quality of patient care and effective allergy treatments in Sterling, Leesburg, and Purcellville, VA. With a warm and welcoming environment and flexible schedules to fit your busy lifestyle, we work hard to be your partner in health.

You are more than just a name on a patient chart to us. We take the time to get to know you and your family. Every one of our experienced and knowledgeable team members is dedicated to providing you with personalized, friendly care and relief from your allergies in Sterling, Leesburg, and Purcellville. By understanding your healthcare needs and explaining any treatment options to you, we develop a path of communication that provides you with the unique allergy treatments that you deserve.


Our Doctors

Dr. Ben Daghigh

Dr. Ben Daghigh is a board-certified physician with a specialty in Allergy and Immunology. He is a well-respected member of the American Academy of Allergy, Asthma, and Immunology as well as the American College of Allergy, Asthma, and Immunology.

Dr. Daghigh is a graduate of West Virginia University. He completed his Fellowship and Subspecialty Training as an Allergist at Virginia Commonwealth University. He specializes in pediatric and adult allergy and immunology and is well-equipped to handle the needs of patients of all ages.

Dr. Huong Thai-Kemprowski

Dr. Huong Thai-Kemprowski is a board-certified physician with specialties in Allergy and Immunology. She is fellowship-trained in pediatric and adult allergy care.

Dr. Thai-Kemprowski is a graduate of Virginia Commonwealth University. She completed her Internal Medicine residency at the Washington Hospital Center and received her Allergy and Immunology Fellowship at the National Institute of Health. She is a member of the American Academy of Allergy, Asthma, and Immunology as well as the American College of Allergy, Asthma, and Immunology.

Dr. Saba Sharif

Dr. Saba Sharif is a double board certified physician with Board Certification in Allergy & Immunology. She is fellowship-trained in pediatric and adult allergy care and takes care of patients of all ages.

Dr. Saba Sharif is a graduate of the State University of New York. She completed her fellowship training in both adult and pediatric Allergy/Immunology at Kaiser Permanente in California. Prior to that, she completed her residency in Internal Medicine at Winthrop University Hospital in New York. She is a fellow of the American Academy of Allergy, Asthma, Immunology and the American College of Allergy, Asthma, Immunology, which is the highest level of membership for both organizations.


At the Allergy, Asthma & Sinus Center, we provide you with the allergy, asthma, and sinus relief you need at one of our three convenient locations. We proudly serve Sterling, Leesburg, Purcellville, Ashburn, Reston, Herndon, Chantilly, Great Falls, Winchester, Front Royal, Middleburg, and Berryville, VA.