Neonatologists

Neonatologists are pediatricians with special expertise in caring for sick or premature infants. Our neonatologists are world leaders in caring for babies requiring intensive care after birth. Babies who undergo fetal surgery are cared for in a special surgical unit in the Intensive Care Nursery.

For further information regarding neonatology please refer to the UCSF Neonatology website.

Yao Sun, M.D., Ph.D.

Professor, Pediatrics
Chief, Division of Neonatology
UCSF Benioff Children's Hospital San Francisco

Dr. Yao Sun is medical director of the William H. Tooley Intensive Care Nursery at UCSF Children's Hospital. He uses his expertise in medical informatics, a field at the juncture of medicine and computer science, to keep the intensive care nursery on the cutting edge of patient diagnoses and treatments.

Sun is an associate professor of clinical pediatrics in the UCSF Division of...

James G. Anderson, M.D.

Neonatologist
UCSF Benioff Children's Hospital Oakland

Dr. James Anderson is a Massachusetts native who earned his medical degree at the University of Massachusetts Medical School. He moved to the Bay Area in 2011 and completed a residency in pediatrics and a fellowship in neonatal-perinatal medicine at the University of California San Francisco. His clinical interests include fetal medicine, neurodevelopmental follow-up of premature and...

Luke Judge, M.D., Ph.D.

Assistant Professor, Pediatrics
UCSF Benioff Children's Hospital San Francisco

Dr. Judge completed his MD and PhD at University of Washington School of Medicine in Seattle, WA as a part of the Medical Scientist Training Program.  His graduate work was performed through the interdisciplinary Molecular and Cellular Biology program in the laboratory of Dr. Jeffrey Chamberlain, where he focused on dystrophin protein function and therapeutic gene replacement for Duchenne...

Roberta L. Keller, M.D.

Professor, Pediatrics
Medical Director, Neonatal ECMO Program
UCSF Benioff Children's Hospital San Francisco

Dr. Keller received her medical degree from the University of California San Francisco, where she also undertook her postgraduate training, completing a residency in Pediatrics and a fellowship in Neonatal-Perinatal Medicine at the UCSF Medical Center/UCSF Children’s Hospital. During her fellowship, she was the recipient of the Glaser Pediatric Research Network fellowship. She is the director...

Leslie Lusk, MD

Director, FTC Oakland
UCSF Benioff Children's Hospital Oakland

Dr. Leslie Lusk completed medical school, Pediatrics residency, and a fellowship in Neonatal/Perinatal Medicine at the University of California San Francisco. After fellowship, she became faculty at UCSF Benioff Children’s Hospital San Francisco. In 2017, she transitioned to UCSF Benioff Children’s Hospital Oakland where she became the Director of...

Mark Petersen, M.D.

Assistant Professor, Pediatrics
UCSF Benioff Children's Hospital San Francisco

Dr. Mark Petersen is a neonatologist at UCSF. He received his medical degree from the University of Iowa. Petersen completed his residency training in pediatrics at Lucile Packard Children’s Hospital at Stanford where he subsequently served as chief resident and clinical instructor.

Elizabeth Rogers, M.D.

Associate Professor, Pediatrics
UCSF Benioff Children's Hospital San Francisco

Elizabeth Rogers completed her undergraduate degree in Slavic Languages and Literature and History of Science at Harvard University in 1998.  She then received her medical degree from Stanford University in 2003 and completed residency training in pediatrics at University of California San Francisco.  Her major interests are in the neurodevelopmental follow up of premature and critically ill...

Thomas K. Shimotake, M.D.

Professor, Pediatrics
Associate Director of Clinical Programs in Neonatology
Co-Director, Neuro-Intensive Care Nursery
Fellowship Director, Neonatal-Perinatal Medicine
UCSF Benioff Children's Hospital San Francisco

Dr. Thomas Shimotake currently serves as Associate Director of Clinical Programs in Neonatology at UCSF. Dr. Shimotake earned his medical degree from the University of Illinois at Chicago in 1997. He had previously completed a two-year research assistantship at the National Institute of Mental Health, in the Division of Neuroscience, studying the pharmacokinetics of neuroleptic agents. He then...

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