Thao-Phuong C. Hallett, MD
Dr. Thao-Phuong C. Hallett, MD, is a pediatric emergency medicine physician and medical toxicologist who specializes in caring for children with urgent illnesses and injuries, including poisonings, medication exposures, and other toxic exposures. She is board certified in pediatrics, pediatric emergency medicine, and medical toxicology.
Dr. Hallett completed her pediatric residency at the University of Texas Health Science Center San Antonio, where she served as Chief Resident. She then completed advanced fellowship training in pediatric emergency medicine at Vanderbilt University Medical Center and medical toxicology through Emory University and the Centers for Disease Control and Prevention.
Dr. Hallett serves as Director of Medical Toxicology for Pediatric Emergency Medicine and Associate Pediatric Medical Director of the Georgia Poison Center. She is also an Assistant Professor of Pediatrics and Emergency Medicine at Emory University School of Medicine.
Her research focuses on childhood poisoning, adolescent substance use, and disaster preparedness. She also helps educate physicians and communities about preventing and responding to poisonings and other potentially dangerous exposures.
Board Certifications
American Board of Pediatrics
Affiliations
Emory
Education & Training
- Medical School: Baylor College of Medicine
- Residency: University of Texas Health Science Center at San Antonio
Fellowships
Emory University School of Medicine
Locations and Directions
Grady Memorial Hospital
OPEN 24 HOURS
Visiting hours are from 8 a.m. – 10:30 p.m. daily
Publications
- Examining Trends in Early Childhood Lead Exposure Using the National Poison Data System: 2007-2024.
Ebersole JM, Hallett TC, Kieszak S, Schnall AH, Yeh M
Journal of medical toxicology : official journal of the American College of Medical Toxicology. 2026;22(4):441-447.
PMID: 42804123 - Outbreak Linked to Morel Mushroom Exposure - Montana, 2023.
Demorest H, Hinnenkamp R, Cook-Shimanek M, Troeschel AN, Yeh M, Hallett TC, Kuai D, Daniel J, Winquist A
MMWR. Morbidity and mortality weekly report. 2024;73(10):219-224.
PMID: 38483842
PLANNING
PREPARING FOR YOUR VISIT
Whether you’re a patient or you’re visiting one, a little planning beforehand can make your visit to Grady easier and more comfortable. Here, you’ll find everything you need to prepare for your visit, including an appointment checklist, admissions information, dining options, and much more.