Dr. Yang Ding

Dr. Cohen is Director of Pediatric Neuro-Oncology and Clinical Director of the Division of Pediatric Oncology at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He received his undergraduate degree at Brown University and earned his MD at the Upstate Medical University, in Syracuse, NY. He did his general Pediatric Residency and Chief Residency at the University of Colorado and completed his Pediatric Hematology/Oncology Fellowship at Johns Hopkins. He has served on the faculty since 1994. His research centers on clinical trials of novel therapeutics for children with brain tumors. Dr. Cohen is co-chair of the High-Grade Glioma committee for the Children's Oncology Group and in that capacity has a particular research interest in the development of therapeutics for the treatment of infiltrating gliomas. He serves on the scientific advisory board for a number of organizations including St. Baldricks and the Childhood Brain Tumor Foundation. He is on the editorial board for PDQ with responsibility for authorship of the pediatric CNS brain tumor summaries. The Pediatric Neuro-Oncology program conducts a broad range of research centered primarily around the development and testing of novel therapeutics for children with brain tumors. The multidisciplinary nature of this work translates into continual collaboration with specialists in pediatric neurosurgery, radiation oncology, neuropathology, neuroradiology, neurology, neuro-ophthalmology, neuropsychology, and other related disciplines. Dr. Cohen is rated as a Distinguished provider by MediFind in the treatment of Langerhans Cell Histiocytosis. His top areas of expertise are Glioma, Brain Stem Cancer, Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Aspiration.

Jason Fixler is a Pediatric Hematologist Oncology provider in Baltimore, Maryland. Dr. Fixler is rated as an Advanced provider by MediFind in the treatment of Langerhans Cell Histiocytosis. His top areas of expertise are Sickle Cell Disease, Hepatoblastoma, Ewing Sarcoma, Reticulohistiocytoma, and Bone Marrow Aspiration.

Stephan Ladisch is a Pediatric Hematologist Oncology provider in Washington, Washington, D.c.. Dr. Ladisch is rated as an Advanced provider by MediFind in the treatment of Langerhans Cell Histiocytosis. His top areas of expertise are Reticulohistiocytoma, Histiocytosis, Langerhans Cell Histiocytosis, and Hemophagocytic Lymphohistiocytosis.