Medical Director, Gores Family Allergy Center
Attending Physician

Assistant Professor of Clinical Pediatrics, Keck School of Medicine of USC
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Clinical Interests

Food allergy; Food induced enterocolitis syndrome (FPIES); Eosinophilic diseases (eg. eosinophilic esophagitis); Anaphylaxis; Asthma; Atopic dermatitis (eczema); Primary Immunodeficiency; Immune dysregulation


Medical School: 

Northwestern University Feinberg School of Medicine


Ann & Robert H. Lurie Children's Hosital of Chicago (formerly Children's Memorial Hospital), McGaw Medical Center of Northwestern University


Children's Hospital of Wisconsin, Medical College of Wisconsin



Pediatrics: American Board of Allergy & Immunology; Allergy & Immunology: American Board of Allergy & Immunology


Tam JS, Grayson MH. Evaluation of vomiting and regurgitation in the infant. Ann Allergy Asthma Immunol. 2012 Jan


Tam JS, Grayson MH. Dendritic Cells, Viruses and the Development of Atopic Disease. Journal of Allergy. 2012 Article ID 936870, doi:10.1155/2012/936870

Tam JS, Routes JM. Common Variable Immunodeficiency. American Journal of Rhinology and Allergy. Jul


J.S. Tam, W.T. Jackson, D. Hunter, D. Proud, M.H. Grayson. Rhinovirus Specific IgE Can Be Detected in Human Sera. J Allergy Clin Immunol. Nov


Sova C, Feuling MB, Baumler M, Gleason L, Tam JS, Zafra H and Goday PS. Systematic Review of Nutrient Intake and Growth in Children with Multiple IgE-Mediated Food Allergies. Nutr Clin Pract. DOI: 10.1177/0884533613505870

Research Interests: 

Food allergy; Immune mechanism of allergic disease; Atopic dermatitis/eczema; Asthma; Primary immunodeficiency

4650 Sunset Blvd.
MS 75
Los Angeles, CA 90027
Phone: 323-361-2501Office