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Our Board


Carla Ward, M.D., FAAAAI, FACAAI | President

Board Certified Allergy, Asthma, & Immunology 

Dr. Ward completed her Internal Medicine residency at the Beth Israel Deaconess Medical Center in Boston, Massachusetts. During this time, as a Clinical Fellow in Internal Medicine at the Harvard Medical School, she developed an interest in the field of Allergy and Immunology.


She completed her fellowship in Allergy and Immunology at the University of Medicine and Dentistry of New Jersey. She has published research in academic journals and has presented research at national allergy meetings.

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Deepthi Gadde, M.D. | Vice President

Board Certified Allergy, Asthma, & Immunology 

Dr. Deepthi Gadde, MD is a board-certified adult/pediatric allergist and clinical immunologist. Dr. Gadde earned her bachelor’s degree in Management Science from Massachusetts Institute of Technology (MIT). She completed her medical degree and internal medicine residency at George Washington University. She received her training in Allergy and Immunology at The Johns Hopkins University in Baltimore, MD, where she continues to be on staff as an assistant professor. Dr. Gadde helps patients with a wide range of conditions, including non-allergic rhinitis, sinusitis, asthma, drug allergies, food allergies, anaphylaxis, eczema, and hives.

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Sadia Hayat, M.D., F.A.A.A.I | Secretary-Treasurer

Board Certified Allergy, Asthma, & Immunology 

Dr. Hayat completed her Internal Medicine residency at the University of Texas – Houston Health Sciences Center, and completed a combined fellowship in Allergy & Immunology and Rheumatology at Washington University in St Louis / Barnes-Jewish Hospital.  She was then Clinical Assistant Professor of Medicine at the University of Kansas Medical Center.  She has authored numerous peer-reviewed and referenced papers and was core faculty of the fellowship training program.  


After shifting to the DMV area, she joined A. Larry Miller, MD Allergy & Immunology in Vienna, Virginia.  Dr Hayat focuses on pediatric and adult Allergy & Immunology.  

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Ben Daghigh, M.D. | Immediate Past President 

Board Certified Allergy, Asthma, & Immunology 

Dr Daghigh 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.

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