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 the current president of Greater Washington Allergy, Asthma and Immunology Society. Further more, he has been voted numerous times in Washington Magazine as a Top Doctor.
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 has been voted numerous times in Washington Magazine as a Top Doctor.
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
Dr. Aman Nasir
Dr. Aman Nasir was born and raised in Edmonton, Canada. He completed his Pediatric Residency at East Carolina University in Greenville, North Carolina. Subsequently, he completed his Adult and Pediatric Allergy, Asthma and Immunology Fellowship at Wake Forest University in Winston-Salem, North Carolina. Dr. Nasir has practiced for several years in Virginia and Edmonton, Canada. He is dual board certified in Pediatrics as well as Adult and Pediatric Allergy and Immunology.
Dr. Nasir enjoys taking care of both adults and children and feels most rewarded when he can help improve the quality of life of his patients. His emphasis is on evidence-based practice and educating his patients on their underlying conditions.
Outside of work, Dr. Nasir and his wife are the proud parents of two beautiful and energetic girls. He enjoys hockey, spending time with his family, trying new cuisines and hiking.
Jill Ham, DNP
Jill Ham is a board-certified family nurse practitioner with extensive experience in allergy asthma and immunology, beginning her practice in 2007. She holds a Bachelor of Science in Exercise Science and Kinesiology from Indiana University and a Bachelor of Science in Nursing from St. Louis University. She achieved a Master of Science in Nursing from Indiana University-Purdue University Indianapolis and a Doctor of Nursing Practice degree from Marymount University. Jill is a member of several professional organizations, including the American Academy of Allergy Asthma and Immunology, the American College of Allergy Asthma and Immunology, the American Association of Nurse Practitioners, the Virginia Nurses Association, and the Virginia Council of Nurse Practitioners.