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Catherine O'Neill Buck, MD

Assistant Professor

Contact Information

Catherine O'Neill Buck, MD

Mailing Address

  • Yale School of Medicine

    Neonatal-Perinatal Medicine, 333 Cedar Street

    New Haven, CT 06520

    United States



Dr. Buck is a neonatologist and clinical researcher. She completed her pediatric training at UTSW Medical Center in Dallas, Texas and her Neonatal-Perinatal Medicine Fellowship at Women and Infant's Hospital and Brown Medical School. Dr. Buck's research is focused on understanding how pregnancy and early newborn life affect later infant growth and development. Dr. Buck's current projects examine the influence of obesity and diabetes in pregnancy on body composition, adiposity development, and metabolism in infants born preterm.

Education & Training

  • Neonatal-Perinatal Medicine Fellowship
    Brown University/Women and Infants Hospital (2019)
  • Chief Residency
    University of Texas Southwestern Medical School (2016)
  • Pediatric Residency
    University of Texas Southwestern Medical School (2015)
  • MD
    University of Connecticut School of Medicine
  • BS
    University of Connecticut

Departments & Organizations