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Marissa J. DeFreitas, M.D.

General Information

Marissa J. DeFreitas, M.D.

Contact:

  • Fax: 305-585-7025

Specialties

  • Pediatric Nephrology (Pediatrics)
  • Pediatrics

Languages

English, Spanish

Certifications

  • American Board of Pediatrics
  • American Board of Pediatrics-Pediatric Nephrology

Roles

  • Assistant Professor of Clinical Pediatrics
  • Pediatric Nephrologist, Kidney Transplant Program

Research Interests

  •  Risk of future kidney and cardiovascular disease among preterm infants and other neonatal groups
  •  Urinary biomarkers as predictors of kidney injury
  •  End-stage renal disease in children
  •  Congenital anomalies of the kidneys and urinary tract

Publications

Awards

Medicine- Pediatrics Teaching Attending Of The Year

Education

2015 Pediatric Nephrology Fellowship
University of Miami/Jackson Memorial Hospital
2012 Pediatrics Residency
Johns Hopkins University
2009 M.D.
University of Chicago Pritzker School of Medicine
2004 B.A. Biological Sciences
University of Chicago

Biography

Dr. Marissa Janel DeFreitas is an Assistant Professor of Clinical Pediatrics in the Division of Pediatric Nephrology, of the Department of Pediatrics. She is certified by the American Board of Pediatrics in both Pediatrics and Pediatric Nephrology.

She received her undergraduate and medical degrees from The University of Chicago in Chicago, Illinois.  She completed her residency training in Pediatrics at Johns Hopkins University in Baltimore, Maryland followed by fellowship training in Pediatric Nephrology at Jackson Memorial Hospital/Holtz Children's Hospital, in affiliation with the University of Miami Miller School of Medicine.

In addition to her clinical practice, she participates in research and fellowship education of the Division of Pediatric Nephrology and is involved in several aspects of pediatric residency education. She is also actively engaged in seeing pediatric kidney transplant patients before and after transplant within the Miami Transplant Institute.

Her engagement beyond clinical practice includes being a faculty speaker and moderator for the Miami Pediatric Nephrology Seminar & Workshop in Pediatric Critical Care Nephrology.  Additionally, she participates in clinical trials and multicenter collaborative research for pediatric patients with kidney disease, including the international Neonatal Kidney Collaborative.

Her research focus centers on understanding the risk of kidney and cardiovascular disease associated with certain neonatal groups such as preterm infants, twins and multiple births, and those born exposed to pre-eclampsia and/or with intrauterine growth restriction.

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