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 Hepatoblastoma. His top areas of expertise are Sickle Cell Disease, Hepatoblastoma, Ewing Sarcoma, Reticulohistiocytoma, and Bone Marrow Aspiration.

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 an Advanced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Glioma, Brain Stem Cancer, Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, and Bone Marrow Aspiration.

Dr. Kenneth Ng is an Associate Professor of Clinical Pediatrics and the Director of Endoscopy in the Division of Pediatric Gastroenterology, Hepatology, and Nutrition at the Johns Hopkins University School of Medicine. His professional interests include therapeutic endoscopy, endoscopic innovations, pancreatic diseases, biliary diseases, and esophageal disorders. Dr. Ng received his medical degree from the Rowan University School of Osteopathic Medicine. He completed his pediatric residency at Cohen Children's Medical Center and did his fellowship in pediatric gastroenterology at Baylor College of Medicine. After fellowship, he was an Assistant Professor in the Division of Pediatric Gastroenterology, Hepatology, and Nutrition at Baylor College of Medicine, practicing at Texas Children’s Hospital in Houston, Texas. He joined Johns Hopkins Children’s Center in 2017. Dr. Ng has received awards for his research and clinical work, including the American Liver Foundation Postdoctoral Research Fellowship Award and the Dr. George Ferry Outstanding GI Faculty Award from Texas Children’s Hospital. Dr. Ng is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Childhood Pancreatitis, Chronic Pancreatitis, Hepatoblastoma, Endoscopy, and Gastrostomy.

Taumoha Ghosh is a Pediatric Hematologist Oncology provider in Baltimore, Maryland. Dr. Ghosh is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Hepatoblastoma, Embryonal Tumor with Multilayered Rosettes, Acute Lymphoblastic Leukemia (ALL), Neuroblastoma, and Liver Embolization.

Megan Askew is a Hematologist and an Oncologist in Baltimore, Maryland. Dr. Askew is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Hemolytic Crisis, Sickle Cell Disease, Alpha Thalassemia X-Linked Intellectual Disability Syndrome, and Alpha Thalassemia. Dr. Askew is currently accepting new patients.

Teresa York is a Pediatric Hematologist Oncology provider in Baltimore, Maryland. Dr. York is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Sickle Cell Disease, Acute Lymphoblastic Leukemia (ALL), Hereditary Spherocytosis, Hemoglobin SC Disease, and Bone Marrow Aspiration.

Sonja Rasmussen, MD, MS is Professor in the Department of Genetic Medicine at Johns Hopkins School of Medicine. She joined Johns Hopkins after 4 years at the University of Florida (UF) College of Medicine and College of Public Health and Health Professions where she served as a Professor in the Departments of Pediatrics, Epidemiology, and Obstetrics and Gynecology and as the Director of UF’s Precision Health Program. Before joining University of Florida in 2018, she served for 20 years at the Centers for Disease Control and Prevention (CDC) in Atlanta, where she held several scientific leadership roles. She served in leadership roles during several CDC responses to public health emergencies, including 2009 H1N1 influenza, H7N9 influenza, Middle East Respiratory Syndrome (MERS), and Zika virus. Dr. Rasmussen is an author on >300 peer-reviewed publications and is the lead editor of The CDC Field Epidemiology Manual, released by Oxford University Press in 2019. Her research interests focus on understanding the effects of infections and medications during pregnancy, genetic and environmental risk factors for birth defects, and morbidity and mortality associated with genetic conditions. Dr. Rasmussen is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Microcephaly, Achalasia Microcephaly Syndrome, Gastroschisis, and Cortical Dysplasia.

Anjali Garg is a Pediatrics specialist and an Anesthesiologist in Baltimore, Maryland. Ms. Garg is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Hepatoblastoma and Respiratory Syncytial Virus (RSV) Infection.

Robyn Gartrell, MD, MS is a physician-scientist and pediatric oncologist who joined the faculty at Johns Hopkins University School of Medicine as Assistant Professor in January 2024. Dr. Gartrell completed her clinical pediatric hematology/oncology fellowship at New York Presbyterian / Columbia University Irving Medical Center (CUIMC), and a postdoctoral fellowship in Immunotherapy and Precision Medicine. She also completed a Master of Science in Patient Oriented Research as well as her first 5 years as faculty at CUIMC. Dr. Gartrell’s primary research focuses on combination approaches including radiation, chemotherapy, and other target agents with immunotherapy to improve response, increase survival, and decrease toxicity for children, adolescents, and young adults with cancer. Her laboratory uses advances in tumor immunology to develop more effective and more personalized therapies using multiplex platforms and immunogenomics to evaluate the tumor microenvironment and determine which pediatric tumor types, and which patients, will respond to immunotherapy. Dr. Gartrell is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Glioma, Diffuse Midline Glioma H3 K27M-Mutant, HER2 Negative Breast Cancer, and Pancreatic Ductal Adenocarcinoma.

Jessica Perniciaro is a Pediatrics specialist and an Emergency Medicine provider in Baltimore, Maryland. Dr. Perniciaro is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Asthma in Children, Cerebral Hypoxia, PEPCK 1 Deficiency, and Autosomal Recessive Congenital Methemoglobinemia.

Dr. Mark Yarchoan is a physician–scientist based in Baltimore who specializes in the treatment and study of gastrointestinal cancers, with a particular focus on liver malignancies, including hepatocellular carcinoma (HCC) and cholangiocarcinoma (CCA). He received his undergraduate degree from Amherst College and his medical degree from the Perelman School of Medicine at the University of Pennsylvania. He completed his residency in internal medicine at the Hospital of the University of Pennsylvania, followed by a fellowship in medical oncology at the Johns Hopkins University School of Medicine, where he joined the faculty in 2018. Dr. Yarchoan leads a research laboratory dedicated to developing novel immunotherapies for liver cancers. His translational research program integrates analyses of clinical trial biospecimens with preclinical modeling to identify and overcome barriers to effective antitumor immunity. A major focus of his work is the development of therapeutic cancer vaccines for hepatobiliary malignancies. He serves as Principal Investigator on multiple clinical trials for hepatobiliary cancers, contributes to international guideline committees for liver cancer, and is a member of the Johns Hopkins Graduate Training Programs in Cellular and Molecular Medicine and Immunology. Dr. Yarchoan’s contributions have been recognized with numerous honors, including the ASCO Young Investigator Award, the Conquer Cancer Foundation Career Development Award, the Mark R. Clements Award from the Cholangiocarcinoma Foundation, and the Blue Faery Award for Excellence in Liver Cancer Research. Dr. Yarchoan is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Fibrolamellar Carcinoma, Cholangiocarcinoma (Bile Duct Cancer), Liver Cancer, Pancreatic Cancer, and Hepatectomy.

Marina Baretti, MD, is an assistant professor at Johns Hopkins University School of Medicine and the Jiasheng Chair in Hepato-Biliary Cancer Research. She also serves as Co-Director of the Liver and Biliary Cancer Multidisciplinary Clinic at the Sidney Kimmel Comprehensive Cancer Center (SKCCC). Dr. Baretti received her medical degree from the University of Pisa in Italy. She completed her internal medicine residency and oncology fellowship at University of Milan. She then went on and completed her Postdoctoral and Medical Oncology Fellowship at Johns Hopkins University, Baltimore, Maryland. She is deeply engaged in bridging the gap between laboratory discoveries and clinical application, working closely with laboratory-based scientists to accelerate the development of novel therapeutic strategies. Her academic research is centered on the development of novel agents in hepatobiliary cancers, with particular interest in combinatorial approaches of immunotherapies. She is currently the principal investigator on multiple clinical trials in FLC, HCC and cholangiocarcinoma at Johns Hopkins University, collaborating closely with laboratory-based researchers to move laboratory findings into patients. Through her work, Dr. Baretti strives to improve outcomes for patients with rare GI cancers by identifying innovative therapies that are informed by a deeper understanding of tumor biology and the tumor microenvironment. Dr. Baretti was the recipient of the 2018 American Society of Clinical Oncology Young Investigator Award. Dr. Baretti was also awarded with the 2020 Career Development Award for the MD Anderson Cancer Center’s pancreatic cancer NCI Specialized Programs of Research Excellence (SPORE). Dr. Baretti is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Fibrolamellar Carcinoma, Cholangiocarcinoma (Bile Duct Cancer), Liver Cancer, and Pancreatic Cancer.

Eric Raabe, M.D., Ph.D., is an associate professor of oncology and pathology at Johns Hopkins School of Medicine. Dr. Raabe majored in neural science at Brown University and received his M.D. and Ph.D. from the University of Cincinnati College of Medicine. He completed his pediatric internship and residency at Children’s Hospital of Philadelphia. After spending a year working in Africa as part of the Baylor International Pediatric AIDS Initiative, Dr. Raabe joined Johns Hopkins as a pediatric oncology fellow. Working in the laboratory of Charles Eberhart in Neuropathology, Dr. Raabe established a neural stem cell system to create genetically accurate models of pediatric brain tumors. In collaboration with patients and families, he has also developed multiple pediatric brain tumor cell lines that are some of the key models used for pre-clinical testing. Dr. Raabe sees patients in the pediatric oncology outpatient clinic at Johns Hopkins, with a focus on pediatric brain tumors. Dr. Raabe is also the point person in oncology for retinoblastoma care. He continues his research in the new Smith Building of the Wilmer Eye Institute in the Neuropathology Division, in collaboration with Charles Eberhart. Dr. Raabe is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Rhabdoid Tumor, Diffuse Midline Glioma H3 K27M-Mutant, Glioma, and Pediatric Low-Grade Glioma (pLGG).

Peter Choyke is a Radiologist in Bethesda, Maryland. Dr. Choyke is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Smoldering Multiple Myeloma, Congenital Hepatic Fibrosis, Desmoid Tumor, Prostatectomy, and Endoscopy.

Douglas Mogul is a Pediatrics provider in Baltimore, Maryland. Dr. Mogul is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Biliary Atresia, Liver Failure, Traumatic Brain Injury, and Hepatoblastoma.

Lee Helman is an Oncologist in Bethesda, Maryland. Dr. Helman is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Ewing Sarcoma, Osteosarcoma, Rhabdomyosarcoma, and Adult Soft Tissue Sarcoma.

Thu Nguyen is a Radiologist in Towson, Maryland. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. Her top areas of expertise are Breast Lump, Galactocoele, Breast Infection, and Fibrocystic Breast Disease.

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

Malcolm Smith is a Pediatric Hematologist Oncology provider in Bethesda, Maryland. Dr. Smith is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Rhabdomyosarcoma, Childhood Acute Myeloid Leukemia, Neuroblastoma, and Acute Lymphoblastic Leukemia (ALL).

Dr. Elie Portnoy is an Assistant Professor of Radiology and Radiological Science in the Johns Hopkins Medicine Interventional Radiology Department and Diagnostic Imaging Department at Johns Hopkins Hospital. Dr. Portnoy received his undergraduate degree, Summa Cum Laude, in Biology from Yeshiva University. He earned his medical degree from NYU School of Medicine with Alpha Omega Alpha. Dr. Portnoy is rated as an Experienced provider by MediFind in the treatment of Hepatoblastoma. His top areas of expertise are Bile Duct Stricture, Cholestasis, Bile Duct Obstruction, Liver Embolization, and Gastrostomy.