Leonard B. Bacharier, M.D.  bacharier_l@wustl.edu

Clinical Director, Division of Allergy, Immunology, and Pulmonary Medicine
Unit Co-Leader, Patient Oriented Research Unit, Department of Pediatrics
Patient Oriented Research UnitAllergy, Immunology and Pulmonary Medicine

phone: 314-454-2694


  • B.A., General and Department Honors, The Johns Hopkins University1988
  • M.D., Washington University School of Medicine1992


  • Internship and Residency, St. Louis Children's Hospital1992 - 1995
  • Fellowship , Children's Hospital, Boston and Harvard Medical School 1995 - 1998

Licensure and Board Certification

  • Diplomate, National Board of Medical Examiners1993
  • Diplomate, American Board of Pediatrics, Recertified 20021996
  • Diplomate, American Board of Allergy and Immunology, Recertified 2006 1997
  • MO, Medical License1998


  • Washington University Student Research Fellowship1989
  • ACAAI Travel Grant1996
  • The Distinguished Residents and Fellows Asthma Education Program, London, England1996
  • AAAAI Travel Grant, 1997 and 19981997
  • National Institutes of Health Pediatric Research Loan Repayment Award (renewal 2004-6)2002 - 2004
  • Samuel R. Goldstein Leadership Award in Medical Student Education, Washington University School of Medicine, St. Louis, MO2005
  • Alpha Omega Alpha, Washington University School of Medicine, St. Louis, MO2013
  • Harvey R. Colten, MD Scholar in Pediatrics2015 - 2016
  • Donald B. Strominger Professor of Pediatrics2016 - Pres

Selected Publications view all (10)

  1. Kaiser S, Huynh T, Bacharier L, Rosenthal J, Bakel L, Parkin P, Cabana M. Preventing Exacerbations in Preschoolers with Recurrent Wheeze: A Meta-Analysis Pediatrics (In Press). 2016. 
  2. Reid, B., Girodet, P., Boomer, J.S., Abdel-Gadir, A., Zheng, K., Wechsler, M.E., Bacharier, L.B., Kunselman, S.J., King, T.S., Israel, E., Castro, M., Cernadas, M., Green JM. Vitamin D3 treatment of vitamin D insufficient asthmatics does not alter immune cell function. J Allergy Clin Immunol (In Press). 2016. 
  3. Beigelman A, Bacharier LB. Early-life respiratory infections and asthma development: role in disease pathogenesis and potential targets for disease prevention. Curr Opin Allergy Clin Immunol. 2016;16(2):172-8. doi:10.1097/ACI.0000000000000244  PMID:26854761  
  4. Kitcharoensakkul M, Bacharier LB, Yin-Declue H, Boomer JS, Burgdorf D, Wilson B, Schechtman K, Castro M. Temporal biological variability in dendritic cells and regulatory T cells in peripheral blood of healthy adults. J Immunol Methods. 2016;431:63-5. doi:10.1016/j.jim.2016.02.006  PMCID:PMC4801223  PMID:26859243  
  5. Wandalsen GF, Solé D, Bacharier LB. Identification of infants and preschool children at risk for asthma: predictive scores and biomarkers. Curr Opin Allergy Clin Immunol. 2016;16(2):120-6. doi:10.1097/ACI.0000000000000240  PMID:26807784  
  6. Jiao J, King TS, McKenzie M, Bacharier LB, Dixon AE, Codispoti CD, Dunn RM, Grossman NL, Lugogo NL, Ramratnam SK, Traister RS, Wechsler ME, Castro M, National Heart, Lung, and Blood Institute's AsthmaNet. Vitamin D3 therapy in patients with asthma complicated by sinonasal disease: Secondary analysis of the Vitamin D Add-on Therapy Enhances Corticosteroid Responsiveness in Asthma trial. J Allergy Clin Immunol. 2016. doi:10.1016/j.jaci.2015.12.1329  PMID:26971692  
  7. Kakumanu S, Jaffee K, Visness CM, Dresen A, Burger M, Witter FR, O'Connor GT, Cruikshank WW, Shreffler WG, Bacharier LB, Gern JE. The influence of atopy and asthma on immune responses in inner-city adults. Immun Inflamm Dis. 2016;4(1):80-90. doi:10.1002/iid3.96  PMCID:PMC4768071  PMID:27042305  
  8. Reid B, Girodet PO, Boomer JS, Abdel-Gadir A, Zheng K, Wechsler ME, Bacharier LB, Kunselman SJ, King TS, Israel E, Castro M, Cernadas M, Green JM. Vitamin D3 treatment of vitamin D-insufficient asthmatic patients does not alter immune cell function. J Allergy Clin Immunol. 2016. doi:10.1016/j.jaci.2015.11.030  PMID:26874367  
  9. Litonjua AA, Carey VJ, Laranjo N, Harshfield BJ, McElrath TF, O'Connor GT, Sandel M, Iverson RE Jr, Lee-Paritz A, Strunk RC, Bacharier LB, Macones GA, Zeiger RS, Schatz M, Hollis BW, Hornsby E, Hawrylowicz C, Wu AC, Weiss ST. Effect of Prenatal Supplementation With Vitamin D on Asthma or Recurrent Wheezing in Offspring by Age 3 Years: The VDAART Randomized Clinical Trial. JAMA. 2016;315(4):362-70. doi:10.1001/jama.2015.18589  PMID:26813209  
  10. Beigelman A, Bacharier LB. Management of Preschool Children with Recurrent Wheezing: Lessons from the NHLBI's Asthma Research Networks. J Allergy Clin Immunol Pract. 2016;4(1):1-8. doi:10.1016/j.jaip.2015.10.003  PMCID:PMC4715860  PMID:26772922