Program Leadership
Ashley Siems, M.D., M.Ed.
PCCM Fellowship Program Director
Dr. Ashley Siems is a physician in Pediatric Critical Care Medicine at Johns Hopkins All Children's Hospital. She earned her medical degree from New York Medical College, completed pediatric residency at the Icahn School of Medicine at Mount Sinai Hospital in New York where she stayed on for a chief resident year. She then pursued her fellowship in pediatric critical care medicine at Children' National Hospital in Washington, DC where she stayed on as faculty until joining the All Children's team in 2020. Dr. Siems also earned her Masters in Education from George Washington University where her career interests include training non-technical skills in medicine. She is also an expert in simulation and utilizes simulation to study team dynamics in medicine. She is passionate about improving the quality of care we deliver utilizing an interdisciplinary and interprofessional approach to medicine.
Anthony A. Sochet, M.D., M.S.
PCCM Fellowship Associate Program Director
Dr. Sochet is a physician in Pediatric Critical Care Medicine at Johns Hopkins All Children’s Hospital who joined the hospital staff in 2016 and is an assistant professor of anesthesiology and critical care medicine at the Johns Hopkins University School of Medicine.
He earned his medical degree at Florida State University College of Medicine, completed his pediatric residency at University of South Florida College of Medicine, fellowship in Pediatric Critical Care Medicine at Children’s National Medical Center, and Masters of Health Science in Clinical and Translational Research from the George Washington University. His research interests include an “-omics” approach to identifying modifiable risk factors for acute respiratory failure, machine learning to assess non-invasive modality failure, optimal nutrition delivery during critical illness, and the incorporation of industrial psychology and team science frameworks in healthcare.
Tisha Spence, M.D.
PCCM Fellowship Assistant Program Director
Dr. Spence is a pediatric critical care medicine physician at Johns Hopkins All Children's Hospital. She joined the hospital staff in 2021. Dr. Spence earned her medical degree from Southern Illinois University School of Medicine in Springfield, Illinois. She completed a pediatric residency at Morehouse School of Medicine/Children’s Healthcare of Atlanta in Atlanta where she was chief resident. She completed a pediatric critical care fellowship at the University of Mississippi Medical Center. Dr. Spence is board certified in General Pediatrics and Pediatric Critical Care.
Faculty
Nathan Dean, M.D.
Pediatric Critical Care Medicine
Dr. Dean is a critical care medicine physician and division chief of Pediatric Critical Care at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2021.
Ladonna Bingham, M.D.
Pediatric Critical Care Medicine
Dr. Bingham is the assistant medical director of the pediatric intensive care unit (PICU) where she helps manage and oversee care of patients at Johns Hopkins All Children's Hospital. She previously served as the interim chief of critical care. She cares for patients in the PICU and Center for Congenital Diaphragmatic Hernia. She is pediatric medical director of the LifeLine critical care transport team at Johns Hopkins All Children’s Hospital. She is also serving as the interim medical director of the Center for Medical Simulation and Innovative Education. She joined the hospital staff in 2005.
Jennifer Criscola, M.D.
Pediatric Critical Care Medicine
Jennifer Criscola, M.D. completed a pediatric critical care fellowship at Johns Hopkins Medicine in Baltimore. She graduated from the University of Louisville School of Medicine and completed her pediatric residency at St. Louis Children’s Hospital/Washington University in St. Louis.
Allison Fahy, M.D.
Pediatric Critical Care Medicine
Dr. Fahy specializes in critical care medicine at Johns Hopkins All Children’s Hospital. She joined the medical staff in 2020 and sees patients on the St. Petersburg campus and at AdventHealth Tampa.
Ignacio Fernandez Nievas, M.D., M.P.A.
Pediatric Critical Care Medicine
Dr. Fernandez Nievas specializes in pediatric critical care medicine at Johns Hopkins All Children’s. He joined the hospital staff in 2020. He previously served as an attending physician in pediatric critical care and medical director of pediatric extracorporeal membrane oxygenation (ECMO) at Upstate Golisano Children’s Hospital in Syracuse, New York, and medical director of pediatric respiratory therapy at Upstate University Hospital in Syracuse.
John Kotula, M.D.
Pediatric Critical Care Medicine
Dr. Kotula specializes in pediatric critical care medicine at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2020.
Nick Parilla, M.D.
Pediatric Critical Care Medicine
Dr. Parilla is a physician in the pediatric intensive care unit (PICU) at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2015.
Beatriz Teppa Sanchez, M.D.
Pediatric Critical Care Medicine
Dr. Teppa is a physician in the pediatric intensive care unit (PICU) at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2016.