Ignacio Federico Fernandez Nievas, M.D., M.P.A.

Headshot of Ignacio Federico Fernandez Nievas

Languages: English, Italian, Spanish


Pediatric Critical Care Medicine

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Main Phone


Johns Hopkins All Childrens Hospital - Pediatric Critical Care Medicine

501 6th Avenue South
St Petersburg, FL 33701-4634
Phone: 727-767-4343 | Fax: 727-767-4331
Johns Hopkins All Childrens Hospital - Pediatric Critical Care Medicine - Google Maps


Dr. Fernandez Nievas specializes in pediatric critical care medicine at Johns Hopkins All Children’s. He joined the hospital staff in 2020.

He previously served as an attending physician in pediatric critical care and medical director of pediatric extracorporeal membrane oxygenation (ECMO) at Upstate Golisano Children’s Hospital in Syracuse, New York, and medical director of pediatric respiratory therapy at Upstate University Hospital in Syracuse.

Dr. Fernandez Nievas earned his medical degree from Facultad de Medicina, Universidad Nacional de Buenos Aires in Argentina. He completed a pediatric residency at Hospital Nacional Alejandro Posadas in Buenos Aires, and later a pediatric residency at Maimonides Infants & Children’s Hospital in Brooklyn, New York, where he also served as chief resident.

He completed a pediatric critical care fellowship at Hospital Italiano in Buenos Aires, a pediatric pulmonary medicine fellowship at Children’s Hospital Health Science Center/University of Winnipeg in Canada, and a pediatric critical care fellowship at Yale New Haven Hospital in Connecticut.

He holds a Master of Public Administration from Maxwell School at Syracuse University. He is a Certified Physician Executive (CPE), a fellow of the American Academy of Pediatrics and completed a chief quality officer development program at the Institute for Health Improvement.

His clinical and research interests include severe asthma, ventilator support, pediatric acute respiratory distress syndrome (PARDS), sepsis, ECMO and quality improvement.

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  • MD; Universidad de Buenos Aires (1989)


  • Pediatrics; Hospital Nacional Alejandro Posadas (1992)
  • Pediatrics; Maimonides Medical Center (2009)


  • Pediatric Pulmonary Medicine; Health Sciences Centre Winnipeg (2001)
  • Pediatric Critical Care Medicine; Hospital Italiano de Buenos Aires (1994)
  • Pediatric Critical Care Medicine; Yale-New Haven Hospital (2007)

Board Certifications

  • American Board of Pediatrics (Pediatric Critical Care Medicine) (2012)
  • American Board of Pediatrics (Pediatrics) (2010)
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