Pediatric Critical Care Services Breadcrumb Lifespan HomeLifespan Centers & ServicesPediatric Critical Care Services Pediatric Critical Care Team Copy URL to Clipboard URL COPIED! Print Pediatric Critical Care Team Ranna Rozenfeld, MD Division Director, Pediatric Critical Care, and Pediatric Medical Director, LifePACT Pediatric Transport Team More Katherine Mason, MD Vice Chair of Pediatric Education, Pediatric Intensivist, Pediatric Critical Care More Margaret Scheffler, MD Medical Director, Pediatric Sedation and Pediatric Critical Services More Ivona Sediva, MD Medical Director, Pediatric Quality Improvement and Patient Safety More Sarah S. Welsh, MD Medical Director, Pediatric Intensive Care Unit More Daniel Horim Choi, MD Pediatric Intensivist More Robin L. McKinney, MD Pediatric Intensivist, Pediatric Critical Care More Tanya D. Murtha, MD, MPH, MHS Pediatric Intensivist More Lee A. Polikoff, MD Pediatric Intensivist, Pediatric Critical Care More Monica Osbelia Ruiz, MD, MPH Pediatric Intensivist More Meghan Middleton, NP Nurse Practitioner Kimberly Trow Error Prevention Administrative Assistant Bethany Violette PICU Administrative Assistant Pediatric Critical Care Services Our Team Sharing Serious News in Pediatrics Frequently Asked Questions