About Us

About Allergy Asthma & Sinus Center

At 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.

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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

Providing you with the best doctors for the best care

Dr. Ben Daghigh

Is a board-certified physician with the American board of 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. Kunal Shah 

 Is board certified with the American Board of Allergy & Immunology as well as the the American Board of Pediatrics.   She is fellowship trained in pediatric and adult allergy care and enjoys taking care of both children and adults.

Dr. Shah joined our practice in 2015 after working as an attending physician in the Mayo Clinic Health System in Minnesota. She completed her fellowship training in Adult & Pediatric Allergy/Immunology at the Mayo Clinic in Rochester, MN.  She completed her residency in Pediatrics at UMDNJ Robert Wood Johnson University Hospital, New Brunswick, NJ where she also served as Chief Resident.   Dr. Shah  is a graduate of Drexel University College of Medicine in Philadelphia.

Dr. Huong Thai-Kemprowski

Is a board-certified physician with the American Board of Allergy & Immunology.  She is fellowship trained in both pediatric and adult allergy care.

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

Jill Ham, NP

Jill Ham is a board certified family nurse practitioner. She has practiced in the specialty of allergy asthma and immunology since 2007.

Jill received a Bachelor of Science in Exercise Science and Kinesiology from Indiana University and a Bachelor of Science in Nursing from St. Louis University. She completed her Master of Science in Nursing at Indiana University- Purdue University Indianapolis.

Jill is a member of the American Academy of Allergy Asthma and Immunology, the American College of Allergy Asthma and Immunology and the American Association of Nurse Practitioners.

19465 Deerfield Ave, Suite 101, Lansdowne, VA, 20176

Tel: (703)726-9720