Kanao Otsu
Kanao Otsu, MD, is an allergist and immunologist at National Jewish Health. Dr. Otsu is in the Division of Allergy and Clinical Immunology.
Assistant Professor
Department of Medicine
Division of Allergy & Clinical Immunology


Columbia University Mailman School of Public Health, MPH
Medical School for International Health, Ben Gurion University of Negev in Collaboration with Columbia University Health Sciences, MD
University of Massachusetts, Internal Medicine and Pediatrics
University of Colorado Denver/National Jewish Health, Asthma, Allergy and Immunology, Research
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

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Contact Information

  • Office: 877.225.5654



  • National Jewish Health Main Campus
    1400 Jackson St.
    Denver, CO 80206

Patient Ratings

The Patient Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. This survey is about the patient care experience and does not address crucial characteristics like medical decision-making, prescribing the best therapy, and patient outcomes.

Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Provider showed concern


Spoke using clear language

Provider explained things clearly

Amount of time spent with you

Provider included you in decisions

Confidence in your doctor

Likelihood of recommending this provider


Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.

National Jewish Health PatientDecember, 2021
I left my appointment feeling heard and guided.

National Jewish Health PatientNovember, 2021
She was very compassionate and caring

National Jewish Health PatientNovember, 2021
Excellent experience!

National Jewish Health PatientOctober, 2021
Dr Otsu is always on point with all these categories, kind, sharing, patient, and is very well skilled in her expert care and understanding of emerging data

National Jewish Health PatientSeptember, 2021
Dr. Otsu is great too.

National Jewish Health PatientAugust, 2021
Very good

National Jewish Health PatientJuly, 2021

National Jewish Health PatientJuly, 2021
Dr Otsu is an amazing Dr and I am grateful for her care.

National Jewish Health PatientMay, 2021
before truly knowing my background or seeing any test results I was told i prob could not be helped

National Jewish Health PatientMarch, 2021
Dr. Otsu is fantastic, I didn't have a lot that I needed to talk with her about so it was a quick annual visit

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