Dr. Sama F. Ahsan

Tobey Macdonald is a Pediatric Hematologist Oncology provider in Washington, Washington, D.c.. Dr. Macdonald is rated as a Distinguished provider by MediFind in the treatment of Diffuse Midline Glioma H3 K27M-Mutant. His top areas of expertise are Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, Glioma, and Diffuse Midline Glioma H3 K27M-Mutant.

Eugene Hwang is a Pediatric Hematologist Oncology provider in Washington, Washington, D.c.. Dr. Hwang is rated as an Advanced provider by MediFind in the treatment of Diffuse Midline Glioma H3 K27M-Mutant. His top areas of expertise are Pineocytoma, Glioma, Medulloblastoma, and Pineoblastoma.

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 Advanced provider by MediFind in the treatment of Diffuse Midline Glioma H3 K27M-Mutant. Her top areas of expertise are Glioma, Diffuse Midline Glioma H3 K27M-Mutant, HER2 Negative Breast Cancer, and Pancreatic Ductal Adenocarcinoma.