Hoi See Tsao, M.D., M.P.H., specializes in pediatric emergency medicine, focusing on pre-hospital medicine, emergency medical services (EMS), medical education, and simulation. Certified by the American Board of Pediatrics, she joined the UT Southwestern faculty in 2021.

Dr. Tsao earned her medical degree at Harvard Medical School. She completed a residency in pediatrics at Mass General Hospital for Children (MGHfC) and received advanced training in pediatric emergency medicine through a fellowship at Hasbro Children’s Hospital / Warren Alpert Medical School of Brown University. She also holds a Master of Public Health from Brown. 

She serves as a fellow representative on the Prehospital-Based Care Domain at the Emergency Medical Services for Children Innovation and Improvement Center (EIIC) and is on the national Prehospital Pediatric Readiness Steering Committee.

Dr. Tsao has delivered numerous lectures and presentations, published academic articles, and contributed to the book Pediatric Traumatic Emergencies.

She practices pediatric emergency medicine at the Children’s Medical Center Dallas campus.

Dr. Tsao’s research has focused on prehospital pediatric pain management and the role of pediatric emergency care coordinators in improving pre-hospital pediatric readiness. She has also been involved in simulation with medical trainees and learning about novel methods or best practices to improve medical education.


Medical School
Harvard Medical School (2015)
Massachusetts General Hospital (2018), Pediatrics
Brown University/Rhode Island Hospital (2021), Pediatric Emergency Medicine

Research Interest

  • Medical education
  • Prehospital medicine/emergency medical services (EMS)
  • Simulation


Featured Publications LegendFeatured Publications

COVID-19 in Pediatric Patients: Observations from the Initial Phase of the Global Pandemic in Rhode Island.
Levin RA, Tsao HS, Amanullah S, Genisca A, Chapman L, R I Med J (2013) 2021 Feb 104 1 55-60
Excellence in Communication and Emergency Leadership (ExCEL): Pediatric Primary and Secondary Survey in Trauma Workshop for Residents.
Kelley MN, Mercurio L, Tsao HS, Toomey V, Carillo M, Brown L, Wing R, MedEdPORTAL 2021 01 17 11079
Sounding the Alarm on Sleep: A Negative Association Between Inadequate Sleep and Flourishing.
Tsao HS, Gjelsvik A, Sojar S, Amanullah S, J Pediatr 2021 01 228 199-207.e3
Do Unmet Health Needs Drive Pediatric Emergency Department Utilization?: A Population-Based Assessment.
Sojar S, Gjelsvik A, Tsao HS, Amanullah S, Pediatr Emerg Care 2020 Dec
Excellence in Communication and Emergency Leadership (ExCEL): Pediatric First 5 Minutes Workshop for Residents.
Wing R, Tsao HS, Toomey V, Mercurio L, Carillo M, Brown LL, Kelley MN, MedEdPORTAL 2020 09 16 10980
A Case Report of Cake Frosting as a Source of Copper Toxicity in a Pediatric Patient.
Tsao HS, Allister L, Chiba T, Barkley J, Goldman RH, Clin Pract Cases Emerg Med 2020 Aug 4 3 384-388
Immune Thrombocytopenia (ITP) in a Pediatric Patient Positive for SARS-CoV-2.
Tsao HS, Chason HM, Fearon DM, Pediatrics 2020 08 146 2
Design of novel histone-derived antimicrobial peptides.
Tsao HS, Spinella SA, Lee AT, Elmore DE, Peptides 2009 Dec 30 12 2168-73
Investigating the bactericidal mechanism of three novel histone-derived antimicrobial peptides.
Lee AT, Tsao HS, Maharaj NP, Elmore DE Biophysical Journal 2009 96 3 456a-457a

Honors & Awards

  • Graduate School Conference Travel Grant
  • Rhode Island Hospital Fellows Research Travel Award
  • Graduate School Conference Travel Grant
  • American Academy of Pediatrics National Conference and Research Highlighted in New York Times
    "Sounding the Alarm on the Importance of Sleep: The Positive Impact of Sufficient Sleep on Childhood Flourishing" 1 of 16 Abstracts Selected for Media Relations Program, (2019)
  • Master of Public Health Thesis Grant Award
  • Rhode Island Hospital Fellows Research Travel Award
  • Honorable Mention for Resident Quality Improvement Award
  • Nominated for Principal Clinical Experience Teaching Award
  • "Changing the Way We Approach Medically Complex Children: A Screener for Unmet Needs" 1 of 4 Students Selected to Give Oral Presentation of Original Research
    Harvard Medical School Soma Weiss Student Research Day (2013)
  • Outstanding Alumni Award
  • M.A. Cartland Shackford Medical Fellowship
  • Symantec Award for Innovation in Teaching
  • Beck Honor Fellowship
  • Phi Beta Kappa
  • Sigma Xi
  • Summa Cum Laude
  • Teach for America
  • Wellesley College Neuroscience Departmental Honors
  • Robert D. Staley and Karl A. Staley Grant for Cancer-Related Research
  • Salley Whitcher World Travel and Peace Award
  • First-Year Academic Distinction
  • First-Year Chemistry Award

Professional Associations/Affiliations

  • Society for Academic Emergency Medicine (2020)
  • American Academy of Pediatrics (2015)
  • American Medical Association (2011)
  • Massachusetts Medical Society (2011-2021)
  • Sigma Xi (2009)
  • Phi Beta Kappa (2008)