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Elizabeth Cotton Matsui, M.D.

Photo of Dr. Elizabeth Cotton Matsui, M.D.

Professor of Pediatrics


Expertise: Allergic Diseases, Allergic Rhinitis, Allergy and Immunology, Anaphylaxis, Asthma, Atopic Dermatitis, Food and Additive Reactions

Research Interests: allergen exposure; asthma; allergy

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The Johns Hopkins Hospital (Main Entrance)
Appointment Phone: 410-955-5883

1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Fax: 410-955-0229


Dr. Elizabeth Matsui is a professor of pediatrics at the Johns Hopkins University School of Medicine. She holds secondary appointments in epidemiology and environmental health sciences at the Johns Hopkins Bloomberg School of Public Health

Dr. Matsui’s areas of clinical expertise include allergic diseases, allergic rhinitis, asthma, eczema, and food reactions. She is a leading international expert on environmental allergies and asthma. 

She received her undergraduate degree in molecular biology and her medical degree from Vanderbilt University. She completed her residency in pediatrics at the University of California at San Francisco in 1996. After completing her residency, she spent several years practicing general pediatrics. During that time, she developed an interest in asthma and allergies and subsequently completed her fellowship in allergy and immunology at Johns Hopkins University School of Medicine. Dr. Matsui also completed a Master of Health Science in epidemiology at the Johns Hopkins Bloomberg School of Public Health. She joined the Johns Hopkins faculty in 2003.

Dr. Matsui’s research focuses on examining the impact of allergen exposure on allergic disease. She is the director of the Data Management Core for the Division of Pediatric Allergy and Immunology.

She serves on the editorial board of the Journal of Allergy and Clinical Immunology and is a member of the American College of Asthma, Allergy and Immunology and the American Academy of Allergy, Asthma and Immunology. In 2012, Dr. Matsui was named the top young investigator in allergy and immunology by an international body of scientists assembled by Phadia Allergy Research Forum. more


  • Professor of Pediatrics

Departments / Divisions



  • MD, Vanderbilt University School of Medicine (1993)


  • University of California San Francisco / Pediatrics (1996)


  • VA Puget Sound Health Care System (1998)
  • Johns Hopkins University School of Medicine / Pediatric Allergy & Immunology (2003)

Board Certifications

  • American Board of Allergy & Immunology / Allergy & Immunology (2003)

Research & Publications

Research Summary

Since joining the faculty in 2003, Dr. Matsui has built a research program that focuses on examining the impact of allergen exposure on allergic disease. 

Currently she is conducting research into the role that inner-city allergens, such as mouse and cockroach allergens, play on asthma.

Clinical Trials

Selected Publications

View all on Pubmed

Brigham EP, McCormack MC, Takemoto CM, Matsui EC. "Iron Status is Associated with Asthma and Lung Function in US Women." PLoS One. 2015 Feb 17;10(2):e0117545. doi: 10.1371/journal.pone.0117545. eCollection 2015.

Keet CA, McCormack MC, Pollack CE, Peng RD, McGowan E, Matsui EC. "Neighborhood poverty, urban residence, race/ethnicity, and asthma: Rethinking the inner-city asthma epidemic." J Allergy Clin Immunol. 2015 Jan 7. pii: S0091-6749(14)01676-5. doi: 10.1016/j.jaci.2014.11.022. [Epub ahead of print]

McCormack MC, Belli AJ, Kaji DA, Matsui EC, Brigham EP, Peng RD, Sellers C, Williams DL, Diette GB, Breysse PN, Hansel NN. "Obesity as a susceptibility factor to indoor particulate matter health effects in COPD." Eur Respir J. 2015 Jan 8. pii: ERJ-00814-2014. [Epub ahead of print]

Davis MF, Peng RD, McCormack MC, Matsui EC. "Staphylococcus aureus colonization is associated with wheeze and asthma among US children and young adults." J Allergy Clin Immunol. 2014 Dec 20. pii: S0091-6749(14)01601-7. doi: 10.1016/j.jaci.2014.10.052. [Epub ahead of print]

Brigham EP, Kolahdooz F, Hansel N, Breysse PN, Davis M, Sharma S, Matsui EC, Diette G, McCormack MC. "Association between Western diet pattern and adult asthma: a focused review." Ann Allergy Asthma Immunol. 2014 Dec 15. pii: S1081-1206(14)00805-9. doi: 10.1016/j.anai.2014.11.003. [Epub ahead of print]

Academic Affiliations & Courses

Graduate Program Affiliation

  • Epidemiology
  • Environmental Health Sciences

Activities & Honors


  • Top Young Investigator in Allergy and Immunology, Phadia Allergy Research Forum, 2012


  • American Academy of Asthma, Allergy, and Immunology, 2001
  • American Academy of Pediatrics, 1996 - 2009
  • American College of Asthma, Allergy and Immunology, 2003

Professional Activities

  • Chair, Executive Committee, Section on Allergy and Immunology, American Academy of Asthma, Allergy, and Immunology, 2015
  • Editorial Board, Journal of Allergy and Clinical Immunology, 2008

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