Ask the Expert

Ask the Expert serves the needs of licensed healthcare professionals who have questions about diagnosing and treating their patients’ allergy, asthma, immune deficiencies & immunologic diseases.

Questions from the general public will not be answered. If you are not a medical professional, please visit Conditions & Treatments for general information. To find an allergist / immunologist near you, use the AAAAI’s Find an Allergist / Immunologist service.

For coding and billing questions please email coding@aaaai.org.

Due to the number of questions submitted to Ask the Expert, we are experiencing a significant delay in responses at this time.

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Meet the Expert

Dr. Dennis Ledford
Dr. Dennis Ledford
Questions are answered by Dr. Dennis K. Ledford, Ellsworth and Mabel Simmons Professor of Allergy / Immunology, Division of Allergy and Immunology, Morsani College of Medicine, University of South Florida and James A. Haley VA Hospital, Tampa, Florida. Dr. Ledford has previously served as president of the AAAAI. He is actively involved in patient care as well as the allergy/immunology training program. He continues to contribute to the medical literature.
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