Education and Training

Medical School

MD - Weill Cornell Medical College, New York, NY


Pediatrics - Children's Hospital of Philadelphia, Philadelphia, PA


Pediatrics - Children's Hospital of Philadelphia, Philadelphia, PA


Pediatric Emergency Medicine - Children's Hospital of Philadelphia, Philadelphia, PA (Chief Fellow)
Ultrasound - Children’s Hospital of Boston, Boston, MA

Board Certification

Pediatric Emergency Medicine – American Board of Pediatrics
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Pediatric Emergency Medicine Physician

Assistant Professor of Clinical Pediatrics, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




S Gangadharan, M.D.; G Tiyyagura, M.D.; M Gawel, R.N.; B Walsh, M.D.; L Brown, M.D.; M Lavoie, M.D.; K Tay, M.D.; M Auerbach, M.D. for the INSPIRE ImPACTS Investigators: A Grounded Theory Qualitative Analysis of Inter-professional Providers' Perceptions on Caring for Critically Ill Infants and Children in Pediatric and General Emergency Departments Pediatric Emergency Care  Pediatric Emergency Care 2016.

Marc Auerbach, MD, MSci; Travis Whitfill, MPH; Marcie Gawel, MSN; David Kessler, MD, MSc; Barbara Walsh, MD; Sandeep Gangadharan, MD; Melinda Fiedor Hamilton, MD, MSc, FAHA; Brian Schultz, MD; Akira Nishisaki, MD; Khoon-Yen Tay, MD; Megan Lavoie, MD; Jessica Katznelson, MD; Robert Dudas, MD; Janette Baird, PhD; Vinay Nadkarni, MD; Linda Brown, MD, MSCE: Differences in the Quality of Pediatric Resuscitative Care Across a Spectrum of Emergency Departments. JAMA Pediatrics August 2016.


Tay Khoon-Yen, Ewald Michele Burns, Bourgeois Florence T: Use of QT-prolonging medications in US emergency departments, 1995-2009. Pharmacoepidemiology and drug safety May 2013.


Spiro DM, Tay KY, Arnold DH, Dzuira, JD, Baker MD, Shapiro ED.: Wait-and-See Prescription for the Treatment of Acute Otitis Media: A Randomized, Controlled Trial.  JAMA  10(296): 1235-41, Sept 13th 2006.


Welsh D, Tsien JZ., Mody M, Cao Y, Cui Z, Tay KY, Shyong A, Shimizu E, Pham K, Schultz P,: Genome-wide gene expression profiles of the developing mouse hippocampus.  Proc Natl Acad Sci U S A.  15(98): 8862-7, July 17 2001.




Khoon-Yen Tay; Mirna M'Farrej: Approach to the Ill Child  Fleisher & Ludwig's Textbook of Pediatric Emergency Medicine  2016.


Khoon-Yen Tay and Rakesh D. Mistry: General Approach to Neonates and Infants Less Than 12 Months of Age. Harwood-Nuss' Clinical Practice of Emergency Medicine, 6th ed. Allan B. Wolfson (eds.). Page: 1067-1072, 2015.

Posters and Presentations

Invited Lectures


"Rashes for Pediatric Urgent Care Providers", Children's Hospital of Philadelphia Urgent Care Staff Meeting, Philadelphia, PA. Nov, 2016.

"Know What to Look for Before Making Rash Decisions" Best Practices in Pediatric Emergency Nursing Conference, Children's Hospital of Philadelphia, Philadelphia, PA. Sep, 2016.

"Pediatric Dental Trauma", Aria Combined Emergency Medicine-Family Practice Residency Grand Rounds, Langhorne, PA. May, 2016.

Awards and Honors

2014 & 2016, CHOP Residency Faculty Honor Roll
2012, PAS Travel Award for Young Investigators, Pediatric Academic Societies
2011, Farley Award, Children's Hospital Boston
2009, Senior Resident Teaching Award, Children's Hospital of Philadelphia Residency Program
2006, New England Pediatric Society Prize, Yale University School of Medicine Scholarship in Pediatrics
2006, The Dr. Louis H. Nahem Thesis Prize, Yale University School of Medicine, Thesis Scholarship
2000, Phi Beta Kappa Scholarship, Princeton University

Editorial and Academic Positions

Editorial Positions

2015-present, Practical Reviews in Pediatrics, Monthly reviewer
2012-present, Annals of Emergency Medicine, Ad hoc reviewer
2009-present, Pediatric Emergency Care, Ad hoc reviewer

Academic and Institutional Committees

2015-present, Skin and Soft Tissue Emergency Department Clinical Pathway Development Committee
2014-present, Co-chair, Subcommittee on Simulation in Medical Education for the Division of Emergency Medicine
2013-present, Pediatric Emergency Medicine Fellow Selection Committee
2012-present, Education Committee, Division of Pediatric Emergency Medicine

Leadership and Memberships

Memberships in Professional Organizations


2012-present, International Network for Simulation-based Pediatric Innovation, Research and Education


2012-present, ImPACTS: Improving Pediatric Acute Care Through Simulation Research Study
 - 2012-present, Site co-investigator