Erika Sophie Tsutsui

Board-Certified Internist specializing in Allergy and Immunology with clinical and research expertise in food allergies, immunologic diseases, and health equity. Leveraged experience in both U.S. and Japanese healthcare systems to enhance patient care and education. Committed to advancing outpatient allergy practices with a strong focus on clinical excellence and patient engagement.

• American Board of Internal Medicine, 10/01/25
• USMLE Step 3, 06/01/21
• ECFMG certificate, 08/01/20
• Japanese Medical License, 03/01/19

• Recurrent Angioedema with Normal C1 Inhibitor and Chronic Spontaneous Urticaria, The American Academy of Allergy, Asthma & Immunology (AAAAI) Annual Conference, Philadelphia, 2/28/26
• Penicillin Delabeling Barries to Care: QI Project, New York Allergy and Asthma Society, Teaching Day, New York, 11/01/24
• Asymptomatic Eosinophilia Associated With Garcinia Cambogia Use, European Academy of Allergy and Clinical Immunology (EAACI) Annual Conference, Valencia, Spain, 05/01/24
• Recurrent Uvular Angioedema After Intranasal Cocaine Use, European Academy of Allergy and Clinical Immunology (EAACI) Annual Conference, Valencia, Spain, 05/01/24
• The Importance of Social History in Diagnosing Leptospirosis, Society of General Medicine (SGIM) Annual Conference, Boston, USA, 05/01/24
• Miller-Dieker Syndrome May Be Another Syndromic Primary Immunodeficiency, Clinical Immunology Society (CIS) Annual Conference, Atlanta, USA, 04/01/19
• Relationship between social capital and health, focusing on the activity of community organizations, 75th Annual Meeting of Japanese Society of Public Health, Osaka, Japan, 05/01/16

• Precautionary allergen labels and socioeconomic disparities among food allergy caregivers, Pediatric Allergy Immunol, 08/01/25, 36, 8, e70159, 10.1111/pai.70159
• Association between alopecia areata and allergic diseases: An All of US database study, Ann Allergy Asthma Immunol, 06/01/24, 132, 6, 772-774, 10.1016/j.anai.2024.03.013
• Recurrent Isolated Uvular Angioedema Associated with Intranasal Cocaine Use: A Case Report, Cureus, 03/01/24, 16, 3, 356818
• Sodium-Glucose Cotransporter-2 Inhibitor-Induced Euglycemic Diabetic Ketoacidosis Followed by Excessively Low Carbohydrate Diet, Cureus, 07/01/21, 13, 7, e16085, 10.7759/cureus.16085

• Penicillin Delabeling in Allergy Clinic Quality Improvement Project, Mount Sinai Beth Israel Department of Medicine Quality Improvement Committee Meeting, NY, USA, 03/01/24
• What is the efficacy of Dupilumab in Eosinophilic Esophagitis?, Mount Sinai Beth Israel Journal Club, NY, USA, 01/01/24
• PEN-FAST Validation of a Penicillin Allergy Clinical Decision Rule, Mount Sinai Beth Israel Resident Grand Rounds, NY, USA, 02/01/23
• The Mechanism of Food Allergy and Clinical Trials, University of Tokyo Hospital Clinical Research Support Center Winter Seminar, Tokyo, Japan, 01/01/21

• Quality Improvement: Penicillin Delabeling in Allergy Clinic, Performed a retrospective chart review of all patients presenting in the Allergy Clinic from January - December 2023.
• Socioeconomic and clinical factors associated with knowledge and approach to precautionary allergy labeling (PAL) in food allergy, Analyzed 195 caregiver surveys to evaluate the influence of socioeconomic and clinical factors on knowledge and purchasing behavior regarding precautionary allergen labeling (PAL), 2024.

• Travel Scholarship AAAAI
• Selected participant, Clinical Immunology Society Diagnostic School
• AAAAI Chrysalis Project
• Resident of the Month at Mount Sinai Health System
• Tokyo Marine Nichido Scholarship for Residency Training
• Japan North America Medical Exchange Foundation Scholarship for Residency Training

• AAAAI Fellow-in-Training Committee Member
• ENGAGE-TF (Next-Generation Task Force for Immunology and Allergy Strategic Initiative), Japan
• New York City Marathon Medical Volunteer