Dr. Olga Guijon, Division Chief Primary Care

Dr. Olga Guijon, Division Chief Primary Care

  • Olga Guijon MD
  • Office: 714-509-8391
  • Specialty: Pediatrics
  • Board Certified: Pediatrics, Asthma Educator (NAECB)
  • Additional Languages: Spanish

Dr. Guijon is board certified in pediatrics and is a member of the CHOC Primary Care Network who treats kids and teens in Orange County.

Olga Guijon MD is on staff at CHOC Hospital in Orange .


CHOC Primary Care Clinic
3745 W. Chapman Ave.
Orange, CA 92868
phone: 714-509-8391
fax: 855-212-6740


  • Medical School
    UCSD School of Medicine, La Jolla, CA
  • Pediatrics Residency
    Cedars-Sinai Medical Center, Los Angeles, CA

Administrative Appointments

Division Chief Primary Care


  • 2009 – CHOC Hospital Family Centered Care Physician Champion Award
  • 2001 – Volunteer Attending of the Year- University of California, Irvine Department of Pediatrics


Puckett JL, Taylor RWE, Leu Szu-Yun, Guijon O, Aledia AS, Galant SP, George SC. An elevated bronchodilator response predicts large airway inflammation in mild asthma. Ped. Pulm, 45(2):174-181, 2010

Puckett JL, Taylor RW, Leu SY, Guijon OL, Aledia AS, Galant SP*, and George SC*. Clinical patterns in asthma based on proximal and distal airway nitric oxide categories. Respir Res. 2010 Apr 28;11:47.doi; 10.1186/1465-9921-11-47.

Galant, S.P.; Tricia Morphew, MSc, Robert L. Newcomb, PhD., Kiem Hioe, MD; Olga Guijon, MD; Otto Liao, MD.  The Relationship of the Bronchodilator (BDR) Phenotype to Poor Asthma Control in Children with Normal Spirometry. J Pediatr, Vol158,/6:953-959.e,2011

Galant SP, Morphew T, Pham L, Guijon O. The Bronchodilator Response as a Predictor of Inhaled Corticosteroid Responsiveness in Asthmatic Children with Normal Baseline Spirometry. Pediatr Pulmonol. 2014. Feb 16