Department of Internal Medicine, Division of Allergic Diseases

The Adult Division of Allergy at Mayo Clinic, Rochester was established on August 5, 1926 and has been a leader in allergy related patient care, education and research since that time.

Consultant – Division of Allergic Diseases, Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota 06/01/2004 – Present

Associate Professor of Medicine – Mayo Clinic College of Medicine and Science 09/01/2015 – Present


Baylor University – BA, Biology and Latin 1985
University of Tennessee, Memphis – MD 1989
Mayo Clinic in Rochester – Resident, Internal Medicine 1989 – 1992
Mayo Clinic in Rochester – Fellow, Allergy/Immunology 1992 – 1993 & 1995
Mayo Clinic in Rochester – Fellow, Critical Care Medicine 1994


Division of Allergic Diseases, Education Chair January 2006 to present. Teacher of the Year – Mayo Fellows Association, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine. Department of Medicine Laureate Award – Mayo Clinic in Rochester


American College of Allergy, Asthma and Immunology (ACAAI) Rhinitis/Sinusitis/Ocular Committee, 11/15/2017 – Present.  Current Committee Chairman

American Academy of Allergy, Asthma and Immunology (AAAAI) Quality Adherence and Outcomes Committee, 2012 – Present


Dykewicz MS, Wallace DV, Amrol DJ, Baroody FM, Bernstein JA, Craig TJ, Dinakar C, Ellis AK, Finegold I, Golden DBK, Greenhawt MJ, Horner CC, Khan DA, Lang DM, Larenas-Linnemann DES, Lieberman JA, Meltzer EO, Oppenheimer JJ, Shaker MS, Shaw JL, Steven GC, Stukus DR, Wang J, Dykewicz MS, Wallace DV, Dinakar C, Ellis AK, Golden DBK, Greenhawt MJ, Horner CC, Khan DA, Lang DM, Lieberman JA, Oppenheimer JJ, Rank MA, Shaker MS, Stukus DR, Wang J, Dykewicz MS, Wallace DV, Amrol DJ, Baroody FM, Bernstein JA, Craig TJ, Finegold I, Hagan JB, Larenas-Linnemann DES, Meltzer EO, Shaw JL, Steven GC, Chief Editor(s)://Joint Task Force on Practice Parameters://Workgroup Contributors:.  Rhinitis 2020: A practice parameter update. J Allergy Clin Immunol. 2020 Oct; 146 (4):721-767 Epub 2020 July 22 PMID: 32707227   DOI: 10.1016/j.jaci.2020.07.007  

Drake LY, Bartemes KR, Bachman KA, Hagan JB, Kita H.  In vitro Culture with Cytokines Provides a Tool to Assess the Effector Functions of ILC2s in Peripheral Blood in Asthma. J Asthma Allergy. 2021; 14:13-22 Epub 2021 Jan 11 PMID: 33469317   PMCID: 7810719   DOI: 10.2147/JAA.S286695

Choby G, O’Brien EK, Smith A, Barnes J, Hagan J, Stokken JK, Strumpf A, Mattos JL, Payne SC, Divekar R.  Elevated Urine Leukotriene E4 Is Associated With Worse Objective Markers in Nasal Polyposis Patients. Laryngoscope. 2021 May; 131 (5):961-966 Epub 2020 Oct 01 PMID: 33001452   DOI: 10.1002/lary.29137  

Park MA, Jenkins SM, Smith CY, Pyle RC, Sacco KA, Ryu E, Hagan JB, Joshi AY, Snyder MR, Abraham RS.  Pneumococcal serotype-specific cut-offs based on antibody responses to pneumococcal polysaccharide vaccination in healthy adults. Vaccine. 2021 May 18; 39 (21):2850-2856 Epub 2021 Apr 22 PMID: 33896666   DOI: 10.1016/j.vaccine.2021.04.015  

Kraft MT, Pyle R, Dong X, Hagan JB, Varga E, van Hee M, Boyce TG, Pozos TC, Yilmaz-Demirdag Y, Bahna SL, Abraham RS.  Identification of 22 novel BTK gene variants in B cell deficiency with hypogammaglobulinemia. Clin Immunol. 2021 Aug; 229:108788 Epub 2021 June 25 PMID: 34182127   DOI: 10.1016/j.clim.2021.108788  

Hagan JB, Ender E, Divekar RD, Pongdee T, Rank MA.  Risk for Postmarket Black Box Warnings in FDA-Approved Monoclonal Antibodies. Mayo Clin Proc Innov Qual Outcomes. 2022 Feb; 6 (1):69-76 Epub 2021 Dec 28 PMID: 35024565   PMCID: 8724853   DOI: 10.1016/j.mayocpiqo.2021.11.009