Sean Leson, DO, Allergy & Immunology, Garden Grove, CA, Garden Grove Hospital and Medical Center

SeanLesonDO, MPH, MSPH

Allergy & Immunology Garden Grove, CA

Pediatric Asthma & Allergic Conditions, Clinical & Laboratory Immunology


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  • Dr. Sean LeSon is an Allergist/Immunologist in Garden Grove, CA and is affiliated with Garden Grove Hospital and Medical Center. He received his medical degree from A.T. Still University Kirksville College of Osteopathic Medicine and has been in practice 28 years. He also speaks multiple languages, including Vietnamese, Spanish, and Japanese. He specializes in Allergy, Asthma, and Clinical & Laboratory Immunology.

Education & Training

  • University of California Irvine
    University of California IrvineFellowship, Clinical and Laboratory Immunology, 1995 - 1996
  • University of California Davis
    University of California DavisFellowship, Allergy and Immunology, 1993 - 1995
  • Caritas Carney HospitalResidency, Internal Medicine, 1991 - 1993
  • Columbia University School of Public HealthResidency, Occupational Medicine, 1990 - 1991
  • Columbus HospitalInternship, Transitional Year, 1989 - 1990
  • A.T. Still University Kirksville College of Osteopathic Medicine
    A.T. Still University Kirksville College of Osteopathic MedicineClass of 1989
  • University of Illinois School of Public HealthMSPH, Public Health Epidemiology & BioStatistics, 1981 - 1982
  • University of Illinois School of Public HealthMPH, Occupational and Environmental Health, 1980 - 1981
  • University of Illinois at Urbana-Champaign
    University of Illinois at Urbana-ChampaignBS, Aerospace & Bioengineering, 1975 - 1979

Certifications & Licensure

  • OR State Medical License
    OR State License 1996 - Present
  • CA State Medical License
    CA State License 1993 - 2021
  • IL State Medical License
    IL State License 1989 - 1992

Publications & Presentations


Professional Memberships

Other Languages

  • Vietnamese, Spanish, Japanese

Hospital Affiliations