UCI Health will see you now: Welcome to our new co-workers and patients from Fountain Valley, Lakewood, Los Alamitos and Placentia-Linda! 

Dr. Yona Nicolau is a board-certified UCI Health pediatrician who specializes in neonatal and perinatal medicine.

Yona Nicolau, MD


Neonatal-Perinatal Medicine, General Pediatrics

Clinical Interests

chronic lung disease in infancy, extremely low birth weight, neonatal respiratory physiology

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  • American Board of Pediatrics, Neonatal-Perinatal Medicine
  • American Board of Pediatrics, Pediatrics
  • English
  • Hebrew
  • Romanian
  • Spanish
Medical School
Univ de Vest Vasile Goldis Fac de Med, Farmacie si Medicina DentaraMD
UC San Francisco-FresnoPediatrics
UCI Medical CenterNeonatal Perinatal Medicine
Professional Positions
  • Assistant Professor — Division of Neonatal/Perinatal Medicine, Department of Pediatrics, UCI School of Medicine
  • Fellow — American Academy of Pediatrics
  • Member — California Association of Neonatologists
  • Member — Orange County Medical Association
  • Member — San Bernardino Medical Association
Awards and Recognition
  • Physicians of Excellence, Orange County Medical Association — 2022-2023
More Information

Dr. Yona Nicolau is a board-certified UCI Health pediatrician who specializes in neonatal and perinatal medicine. Her clinical interests include neonatal respiratory physiology, chronic lung disease in infancy and caring for extremely low weight infants.  

Nicolau earned her medical degree from Carol Davila University in Romania. She completed a residency in pediatrics at the UC San Francisco School of Medicine program in Fresno, Calif., where she served as chief resident. She then received fellowship training in neonatal and perinatal medicine at the UCI School of Medicine and UCI Medical Center, where she served as chief fellow. Before joining UCI Health, she served as medical director for respiratory care at Loma Linda University Children's Hospital in Loma Linda, Calif. 

She is a principal investigator on numerous clinical trials and hopes to study ways to improved care for infants with extremely low birth weights. She has made many presentations at national conferences and is the author or co-author of a number of papers published in major journals. And as chair of the Department of Pediatrics' clinical competency committee for the neonatal and perinatal fellowship program, she also is developing a clinical quality improvement program.

Nicolau — who is fluent in Hebrew, Romanian and Spanish — sees patients in the Neonatal Intensive Care Unit at UCI Medical Center in Orange.

UCI Medical Center
101 The City Drive South
Orange, CA 92868
Phone: 714-456-6933