Joseph G. Ouzounian, MD

Chair of Obstetrics and Gynecology

Daniel R Mishell, MD, Professor of Obstetrics & Gynecology (Clinical Scholar)

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Overview

Joseph Ouzounian, MD, MBA is the Daniel R. Mishell Jr. MD Endowed Professor and Chair of the Department of Obstetrics and Gynecology at the Keck School of Medicine of USC. Dr. Ouzounian received his MD degree from USC, and completed his residency in obstetrics and gynecology and his fellowship in maternal-fetal medicine at USC. Subsequently, Dr. Ouzounian also earned a Master of Business Administration from the Marshall School of Business at USC. Dr. Ouzounian is board certified in both obstetrics and gynecology and maternal-fetal medicine. At the University he is actively involved in research, teaching, and clinical practice, in addition to his various leadership and strategic development roles. He has published extensively in scholarly medical journals and textbooks on topics in high risk obstetrics and perinatal medicine.

Recognized as a leader in perinatal medicine, Dr. Ouzounian lectures frequently at national and international meetings on topics in high risk obstetrics.

Publications

  • Assessment of Adjunctive Procedures during Cesarean Hysterectomy for Placenta Accreta Spectrum. Am J Perinatol. 2026 Aug 04.. View in PubMed
  • Association between hemolysis, elevated liver enzymes, and low platelets syndrome and peripartum cardiomyopathy. Int J Gynaecol Obstet. 2026 Aug 03.. View in PubMed
  • Nationwide patterns and surgical morbidity associated with delayed hysterectomy for placenta accreta spectrum. Int J Gynecol Cancer. 2026 Jul 30; 104884.. View in PubMed
  • Decreasing Trends of Tobacco Use Disorder among Pregnant People in the United States. Am J Perinatol. 2026 May 13.. View in PubMed
  • Increasing trends of hospital admissions for unhoused patients in the United States. Sci Rep. 2026 Apr 01; 16(1).. View in PubMed
  • Nationwide assessment of labor induction at full-term for low-risk pregnancy in the United States from 2018 to 2022. Sci Rep. 2026 Mar 09; 16(1).. View in PubMed
  • Comparison of severe maternal morbidity between pregnancy with subclinical hypothyroidism and overt hypothyroidism. Acta Obstet Gynecol Scand. 2026 Mar; 105(3):499-507.. View in PubMed
  • Assessment of maternal characteristics and outcomes associated with COVID-19-linked HELLP-like syndrome. Eur J Obstet Gynecol Reprod Biol. 2026 Feb 20; 318:114959.. View in PubMed
  • Effect of COVID-19 pandemic on incidence of pregnancy with tuberculosis: A quasi-experimental analysis. Int J Gynaecol Obstet. 2026 Apr; 173(1):535-537.. View in PubMed
  • Obstructive sleep apnea in pregnancy: Nationwide assessment of obstetric characteristics and maternal morbidity at delivery. Eur J Obstet Gynecol Reprod Biol. 2025 Dec; 315:114753.. View in PubMed