Thida Ong, MD

Thida Ong, MD

Pulmonary, Cystic Fibrosis Program

On staff since October 2009

Children's Title: Associate Director, Seattle Children's Cystic Fibrosis Center; Medical Director, Quality Improvement

Academic Title: Assistant Professor

Research Center: Center for Respiratory Biology and Therapeutics

  • Biography

    Thida Ong, MD, is attending physician at Seattle Childrens Hospital and assistant professor in the Department of Pediatrics at the University of Washington School of Medicine. She earned her MD at McGill University in Montreal, Canada and completed her pediatrics internship and residency at the University of California, Los Angeles. She completed her pediatric pulmonary fellowship training at the University of California, San Francisco with a research focus on prognostic markers of acute lung injury.

    Her clinical interests include asthma, cystic fibrosis, bronchopulmonary dysplasia, congenital lung malformations, pediatric interstitial lung diseases, and pulmonary complications of the immune compromised. Ong has a special focus on adolescent issues in patients with cystic fibrosis, particulary to improve outcomes with adherence and fostering development in transition. She is dedicated to the teaching of medical students, residents, and pulmonary fellows on both inpatient and outpatient services. She is a member of the American Thoracic Society.

  • Patient Testimonials

  • Awards and Honors

    Award Name Award Description Awarded By Award Date
    SEATTLE TOP DOCTOR - 2022 Seattle Magazine 2022
  • Publications

    Published Abstracts

    • Cassidy J, Gerhardt C, Vajda J, Ong T
      A Standardized Process of Cystic Fibrosis Related Diabetes Screening in Adolescents: A Single Centers Experience to Improve Screening and Education
      Pediatr Pulmonol, 2013 : 48(S36)A525
    • Ong T, McClintock DE, Liu KD, Matthay MA
      Higher Angiopoietin-2 Is Associated with Mortality and Activated Endothelium in Acute Lung Injury.
      Am J Respir Crit Care Med, 2009 : 179A2498
    • Bastarache JA, Ong T, Matthay MA, Ware LB
      Net Alveolar Fluid Clearance Is Faster in Women with Acute Lung Injury
      Am J Respir Crit Care Med, 2009 : 179A3380
    • Mo Q, Ong T, Robinson SE, et al
      Perinatal buprenorphine exposure affects behavioral and cholinergic development in the rat [abstract
      Problems of drug dependence 1995: Proceedings of the 57th annual scientific meeting, 1996 : 168348

    Other Publications

    • Okumura MJ, Ong T, Dawson D, Nielson D, Lewis N, Richards M, Brindis CD, Kleinhenz ME
      Improving transition from paediatric to adult cystic fibrosis care: programme implementation and evaluation.
      24415776 BMJ quality & safety, 2014 Jan 10
    • Ong T, Ramsey BW
      Modifying disease in cystic fibrosis: current and future therapies on the horizon.
      24048086 Current opinion in pulmonary medicine, 2013 Nov. : 19(6)645-51
    • Ong T, Marshall SG, Aitken M, Tonelli M
      Pediatric Pulmonary Diseases and Cystic Fibrosis
      University of Washington School of Medicine Human Biology Course 541 Syllabu, 2012 : Course Dir
    • Bastarache JA, Ong T, Matthay MA, Ware LB
      Alveolar fluid clearance is faster in women with acute lung injury compared to men.
      20688464 Journal of critical care, 2011 June : 26(3)249-56 PMCID:PMC2982881
    • Ong T, McClintock DE, Kallet RH, Ware LB, Matthay MA, Liu KD
      Ratio of angiopoietin-2 to angiopoietin-1 as a predictor of mortality in acute lung injury patients.
      20581666 Critical care medicine, 2010 Sept. : 1845-51
    • Bastarache JA, Ong T, Matthay MA, Ware LB
      Alveolar fluid clearance is faster in women with acute lung injury compared to men.
      20688464 Journal of critical care, 2010 Aug 3
    • Thida Ong, MD, Ong T, Matthay MA, Liu KD
      What are the pathologic and pathophysiologic changes that accompany ALI and ARDS?
      The Evidenced Based Practice of Critical Care Medicine, 2010 : Ed. Patric(Philadelph)82-87
    • Thida Ong, MD, Ong T, Sullivan S
      The Pulmonary System
      First Aid for the Pediatric Boards, 2010 : 2nd Editio(New York:)567-600
    • Ong T, Stuart-Killion RB, Daniel BM, Presnell LB, Zhuo H, Matthay MA, Liu KD
      Higher pulmonary dead space may predict prolonged mechanical ventilation after cardiac surgery.
      19382217 Pediatric pulmonology, 2009 May : 457-63


Board Certification(s)

Pediatric Pulmonology

Medical/Professional School

McGill University, Montreal, QC


David Geffen School of Medicine at UCLA, Los Angeles, CA


University of CA at San Francisco-Pediatric Pulmon, San Francisco, CA

Clinical Interests

Cystic Fibrosis, adolescents, transitional care, biomarkers, acute lung injury