Katherine Ann Bell

Katherine Ann Bell, MD serves as an Instructor in Pediatrics at Harvard Medical School and Attending Neonatologist in the Division of Newborn Medicine at Brigham and Women's Hospital, where she also holds the leadership role of Associate Director of Education. Her clinical work centers on neonatal intensive care with specialized focus on nutritional interventions for preterm infants.

Dr. Bell's educational background includes:

• Medical School: University of California San Diego, School of Medicine (2006-2010)
• Internship: UCSF Benioff Children's Hospital Oakland (2010-2011)
• Residency: UCSF Benioff Children's Hospital Oakland (2011-2013) and UCSF Benioff Children's Hospital (2013-2014)
• Fellowship: Boston Children's Hospital (2014-2017)

Her research program investigates how infant nutritional exposures influence short- and long-term health trajectories, particularly examining growth patterns, neurodevelopment, and cardiometabolic outcomes through innovative body composition monitoring. She pioneers clinical protocols to optimize nutritional support for vulnerable preterm populations, bridging NICU care with lifelong health prevention strategies. Current work emphasizes translating body composition metrics into real-time nutritional decision tools for neonatal clinicians.

Dr. Bell's research program receives competitive funding from the National Institutes of Health and American Academy of Pediatrics, with additional support from specialized nutrition foundations. Her educational leadership encompasses curriculum development for neonatology trainees and evidence-based practice implementation across the Division of Newborn Medicine.