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Kanao Otsu

Dr. Kanao Otsu is a fellowship-trained allergist & immunologist. She treats common and rare allergies, asthma and immune disorders and deficiencies.



2003 - 2004
Columbia University Mailman School of Public Health, MPH
1999 - 2003
Medical School for International Health, Ben Gurion University of Negev in Collaboration with Columbia University Health Sciences, MD


2004 - 2008
University of Massachusetts, Internal Medicine and Pediatrics


2011 - 2012
University of Colorado Denver/National Jewish Health, Asthma, Allergy and Immunology, Research
2009 - 2011
University of Colorado Denver/ National Jewish Health, Asthma, Allergy and Immunology

Board Certification

American Board of Pediatrics
American Board of Allergy and Immunology

Professional Memberships

American Academy of Allergy Asthma and Immunology
American College of Allergy Asthma and Immunology
American Academy of Pediatrics, Fellow (FAAP)


Abbott J, Ehler AC, Jayaraman D, Reynolds PR, Otsu K, Manka L, Gelfand EW. Heterozygous IKKβ activation loop mutation results in a complex immunodeficiency syndrome. .J Allergy Clin Immunol. 2021 Feb;147(2):737-740.

Otsu K, Wang Q, Guo R, Dreskin SC. Epitope analysis of Ara h 2 and Ara h 6: characteristic patterns of IgE-binding fingerprints among individuals with similar clinical histories. Clin Exp Allergy. 2015; (45) 471-484.

Otsu K and Fleischer DM. Desensitization to Foods: present state of the art. Curr Allergy Asthma Rep. 2012; 12(1): 48-54.

Otsu K and Dreskin SC. Peanut Allergy An evolving challenge. Discov Med. 2011; 12(65):319-28.

Sheehan WJ, Rangsithienchai PA, Muilenberg ML, Rogers CA, Lane JP, Ghaemghami J, Rivard DV, Otsu K, Hoffman EB, Israel E, Gold DR, Phipatanakul W. Mouse Allergens in Urban Elementary Schools and Homes of Children with Asthma. Ann Allergy Asthma Immunol. 2009 February; 102(2): 125-130.

Academic Affiliations

Faculty Affiliate at University of Colorado School of Medicine