Casey Lion, MD, MPH


On staff since August 2010

Children's Title: Attending Physician, General Pediatrics

Academic Title: Assistant Professor

Research Center: Center for Child Health, Behavior and Development

Language (Other than English): Spanish

  • K. Casey Lion, MD, MPH, is an attending physician in General Pediatrics at Seattle Children's Hospital and an Assistant Professor in the Department of Pediatrics at the University of Washington School of Medicine. She is also an investigator at the Seattle Children's Research Institute.

    She earned her medical degree at the University of California, San Francisco School of Medicine, and a Masters in Public Health at the University of California, Berkeley School of Public Health. She completed her residency and quality of care research fellowship at Seattle Children's Hospital and the University of Washington. She is a member of the American Academy of Pediatrics and the Academic Pediatric Association. Her research interests are in improving quality of health care for vulnerable children, espcially those with language barriers.

    • Dolores Tulalip,Wa 09.27.11

      I cannot speak the name Casey Lion without tears welling up in my eyes. What a blessing she was to my son, Talon, and my family. she is kind, caring, extremely intelligent and very good at what she does. she explains everything in detail and makes certain that everyone is on the same page. She is also very gentle and takes the time to listen to everyone's needs and respects that. I truley believe our son is with us today for the jugdment call she made that day. she has a place in our hearts forever. Thank GOD for Casey!

  • Manuscripts in Refereed Journals

    • Chan T | Lion KC | Mangione-Smith R
      Racial disparities in failure-to-rescue among children undergoing congenital heart surgery.
      The Journal of pediatrics, 2015 April : 166(4)812-8.e1-4
    • Lion KC | Ebel BE | Rafton S | Zhou C | Hencz P | Mangione-Smith R
      Evaluation of a quality improvement intervention to increase use of telephonic interpretation.
      Pediatrics, 2015 March : 135(3)e709-16
    • Lion KC, Thompson DA, Cowden JD, Michel E, Rafton SA, Hamdy RF, Killough EF, Fernandez J, Ebel BE
      Clinical Spanish use and language proficiency testing among pediatric residents.
      23969350 Academic medicine : journal of the Association of American Medical Colleges, 2013 Oct. : 88(10)1478-84
    • Raphael JL, Rueda A, Lion KC, Giordano TP
      The role of lay health workers in pediatric chronic disease: a systematic review.
      24011745 Academic pediatrics, 2013 Sept. : 13(5)408-20 PMCID:PMC3802546
    • Lion KC, Rafton SA, Shafii J, Brownstein D, Michel E, Tolman M, Ebel BE
      Association between language, serious adverse events, and length of stay among hospitalized children.
      24313090 Hospital pediatrics, 2013 July : 3(3)219-25
    • Lion KC, Mangione-Smith R, Martyn M, Hencz P, Fernandez J, Tamura G
      Comprehension on family-centered rounds for limited English proficient families.
      23491584 Academic pediatrics, 2013 May : 13(3)236-42
    • Lion KC, Thompson DA, Cowden JD, Michel E, Rafton SA, Hamdy RF, Killough EF, Fernandez J, Ebel BE
      Impact of language proficiency testing on provider use of Spanish for clinical care.
      22689864 Pediatrics, 2012 July : 130(1)e80-7
    • Lion KC, Prata N, Stewart C
      Adolescent childbearing in Nicaragua: a quantitative assessment of associated factors.
      19620093 International perspectives on sexual and reproductive health, 2009 June : 91-6

    Other Publications

    • Lion KC | Raphael JL
      Partnering health disparities research with quality improvement science in pediatrics.
      PMC4306804 Pediatrics, 2015 Feb. : 135(2)354-61

  • Grant Title Grantor Amount Award Date
    Targeted Inpatient Navigation to Improve Care for Minority Children and Families National Institute of Child Health and Human Development $628,146 Sept. 2014 - July 2019
    Understanding Patterns of Interpreter Use in the Pediatric Emergency Department Center for Diversity and Health Equity, Seattle Children's Hospital $10,000 Nov. 2013


Board Certification(s)


Medical/Professional School

University of California San Francisco School of Medicine, San Francisco
University of California Berkeley, Berkeley


Pediatrics, University of Washington, Seattle


Quality of Care Research, University of Washington, Seattle

Clinical Interests

Care of culturally and linguistically diverse patients, general pediatrics

Research Description

Development and evaluation of interventions to improve health care quality for children from low-income, minority, and limited English proficient families. Rigorous evaluation of quality improvement interventions.