Cynthia Kellogg, MD, is attending neonatologist at St Mary Medical Center. She also serves as clinical associate at the Perelman School of Medicine at the University of Pennsylvania.

Dr. Kellogg received her medical degree from Eastern Virginia Medical School in 1985. She completed her residency training in pediatrics at The Children's Hospital of the King's Daughters/Eastern Virginia Graduate School of Medicine. She went on to complete a clinical/research fellowship in neonatology at Tufts-New England Medical Center in Boston, MA.

She began her career as a clinical neonatologist at a Level III NICU in suburban Philadelphia. Since 1998, she has provided clinical care in CHOP network NICUs. In 2001, she was appointed Medical Director at CHOP Newborn Care at Phoenixville Hospital where she developed services and provide newborn care to both well and sick newborns. She served as interim director of CHOP Newborn Care at Penn Medicine Princeton Medical Center from 2014-2016 and currently is a neonatologist at CHOP Newborn Care at St Mary Medical Center.

Education and Training

Medical School

MD - Eastern Virginia Medical School, Norfolk, VA


Pediatrics - Eastern Virginia Graduate School of Medicine, Norfolk, VA


Pediatrics - Children's Hospital of King's Daughters, Norfolk, VA


Neonatal-Perinatal Medicine - Tufts-New England Medical Center, Boston, MA
Boston Floating Hospital for Children

Board Certification

Neonatal-Perinatal Medicine

Titles and Academic Titles

Attending Neonatologist

Clinical Associate, Perelman School of Medicine at the University of Pennsylvania

Departments and Services