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John Sather, MD

Associate Professor Term; Director of Patient Safety and Quality, Emergency Medicine

Contact Information

John Sather, MD

Patient Care Locations



Dr. Sather’s expertise is in the diagnosis and management of critical illness. Dr. Sather currently serves as the Director of Safety and Quality for the Department. He has been instrumental in the creation of clinical guidelines for the management of critically ill patients within the Yale-New Haven Health System. His research focus is similarly focused on the improvement in critical care delivery, transitions in critical care, and the reduction of diagnostic error. He is Principal Investigator of a Diagnostic Excellence Initiative award from the Gordon and Betty Moore Foundation to develop a composite measure of diagnostic performance in Pulmonary Embolism. He was also a project Principal Investigator of the AHRQ funded Patient Safety Learning Laboratory project that applied system engineering and process improvement to inter-hospital transfer care of patients with intracranial hemorrhage. Dr. Sather is also currently involved in trials of early care for septic shock and a study of retrograde endovascular balloon occlusion of the aorta in cardiac arrest. Dr. Sather is an established educator at the undergraduate and graduate medical education levels as core faculty member of the clinical reasoning curriculum for the School of Medicine, teacher of a popular weekly seminar in clinical reasoning for the EM clerkship, and as faculty lead of the Critical Care Area of Concentration for emergency medicine residents. Dr. Sather in actively engaged in University and Health System service as a member of the Yale School of Medicine Admissions Committee and the Yale-Haven Hospital Mortality Review Committee.

Education & Training

  • Fellow
    Yale-New Haven Hospital (2004)
  • Resident
    Yale-New Haven Hospital (2001)
  • MD
    Jefferson Medical College (1997)


  • Board Certification
    AB of Emergency Medicine, Emergency Medicine (2002, recertified: 2023)

Departments & Organizations