Santhi Iyer Kumar, MD

Clinical Associate Professor of Medicine (Clinician Educator)

Vice Chair for Quality and Safety

Interim Division Chief of Pulmonary, Critical Care and Sleep Medicine

Medical Director of Respiratory Services at Arcadia Hospital

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Dr. Kumar’s clinical interests include critical care, pulmonary, and internal medicine. Her research interests include critical care, quality improvement, patient safety and team science.

Dr. Kumar earned her medical degree from Drexel University College of Medicine. She then went on to complete her internship and residency in Internal Medicine at LAC+USC Medical Center, followed by a Pulmonary/Critical Care Medicine Fellowship.


  • LAC+USC Medical Center: Chief Fellow, Pulmonary/Critical Care Fellowship, 2009-2010
  • LAC+USC Medical Center: Resident of the Year Award, 2007
  • Phi Eta Sigma: Member, 2004
  • Lehigh University: Dean’s Scholar, 2000


  • Psychological Safety: What It Is, Why Teams Need It, and How to Make It Flourish Chest. 2024 Apr; 165(4):942-949. . View in PubMed
  • Kolb Meets Quality: Applying Learning Theory to a Process Improvement and Safety Curriculum ATS Sch. 2023 Dec; 4(4):431-440. . View in PubMed
  • Hypotension Prediction Score for Endotracheal Intubation in Critically Ill Patients: A Post Hoc Analysis of the HEMAIR Study J Intensive Care Med. 2022 Nov; 37(11):1467-1479. . View in PubMed
  • Super Obesity in the Medical Intensive Care Unit J Intensive Care Med. 2020 May; 35(5):478-484. . View in PubMed
  • Risk factors for and prediction of post-intubation hypotension in critically ill adults: A multicenter prospective cohort study PLoS One. 2020; 15(8):e0233852. . View in PubMed
  • Peritoneal and pleural sarcoidosis: an unusual association – review and clinical report Curr Opin Pulm Med. 2008 Sep; 14(5):481-7. . View in PubMed