Pediatric Stroke Program Team

Hematologists

Maha Al-Ghafry, M.D.

HEMATOLOGY / ONCOLOGY
Dr. Al-Ghafry is an assistant professor of pediatrics at the Johns Hopkins University School of Medicine, practicing pediatric hematology at the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She joined the hospital staff in 2023. Dr. Al-Ghafry specializes in hemostasis, thrombosis and transfusion medicine in pediatric patients. Her research focuses on laboratory measures of bleeding and thrombotic risk in special pediatric populations. She is the author of multiple peer reviewed publications. She was previously a consultant physician in the Division of Pediatric Hematology and Oncology at Royal Hospital in Oman.

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Maha Al-Ghafry MD

Marisol Betensky, M.D.

HEMATOLOGY / ONCOLOGY
Dr. Betensky is an assistant professor of pediatrics in the Division of Hematology at Johns Hopkins University School of Medicine and a pediatric hematologist in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She also serves as medical director of the hospital’s International Patient Services program. Dr. Betensky specializes in pediatric thrombosis and is a member of the hospital's thrombosis program, providing care for patients with complex thrombotic disorders.

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Marisol Betensky, M.D.

Neil A. Goldenberg, M.D., Ph.D

HEMATOLOGY / ONCOLOGY
Dr. Goldenberg is the associate dean for research and director of the Johns Hopkins All Children's Institute for Clinical and Translational Research. He is the Perry Family Endowed Professor in Clinical and Translational Research and a professor of pediatrics and medicine at the Johns Hopkins University School of Medicine. Dr. Goldenberg also serves as chief research officer for All Children’s Research Institute. He directs the Thrombosis Program in the Johns Hopkins All Children’s Cancer and Blood Disorders Institute and co-directs the Stroke Program in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. Dr. Goldenberg is an international leader in the field of venous thromboembolism in children and young adults.

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Neil A Goldenberg

Neurologists

Thomas Geller, M.D.

NEUROLOGY
Dr. Geller specializes in pediatric neurology for the Johns Hopkins All Children’s Institute for Brain Protection Sciences. He sees patients at the main campus in St. Petersburg and at Johns Hopkins All Children’s Outpatient Care, North Port. He joined the hospital staff in 2018. Dr. Geller previously was a pediatric neurologist and child neurology residency program director at Cardinal Glennon Children's Medical Center in St. Louis, Missouri. He retired as a captain from the U.S. Navy Medical Corps. His clinical and research interests include neurofibromatosis, neuro-oncology and pain management.

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Thomas Geller

Neuropsychologist

Jennifer Katzenstein, Ph.D

PSYCHIATRY / PSYCHOLOGY
Dr. Katzenstein is the director of psychology, neuropsychology and social work, at Johns Hopkins All Children’s Hospital. Previously, Dr. Katzenstein was a private practitioner and Assistant Professor of Neurology at Indiana University School of Medicine/Riley Hospital for Children in Indianapolis where she provided neuropsychological evaluations, consultations and academic coaching for children and adolescents. After graduating from Indiana University Purdue University Indianapolis, she completed a pediatric internship and fellowship at Texas Children's Hospital/Baylor College of Medicine. Dr. Katzenstein is board certified in pediatric neuropsychology and clinical neuropsychology.

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Jennifer Katzenstein

Radiologists

Javier Quintana, M.D.

RADIOLOGY
Dr. Quintana is a radiologist at Johns Hopkins All Children’s Hospital. He joined hospital staff in 2010. Dr. Quintana earned his medical degree at the University of South Florida. He trained in general pediatrics at Jackson Memorial Hospital/University of Miami and completed a diagnostic radiology residency at Geisinger Medical Center in Danville, Pennsylvania. Dr. Quintana completed a pediatric radiology fellowship at Children’s Hospital of Philadelphia. He is fluent in Spanish.

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Javier Quintana

Rehabilitation Medicine

James Chinarian, M.D.

REHABILITATION MEDICINE
Dr. Chinarian specializes in Pediatric Rehabilitation Medicine in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. He joined the hospital in 2015. His focus is on the care of children with disabilities, whether congenital or acquired. Since joining the hospital, he has started and/or been involved in numerous multidisciplinary clinics, including Torticollis Clinic, Augmentative and Alternative Communication (AAC) Clinic, Spina Bifida Clinic, Stroke Clinic, Skeletal Dysplasia Clinic, Spasticity Clinic, and most recently Muscular Dystrophy Association (MDA) Clinic. In addition, he sees patients from infancy to young adulthood with various developmental disabilities, especially a large population of patients with cerebral palsy.

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James Chinarian

Occupational Therapy

Heather Borowski, OTR/L

OCCUPATIONAL THERAPIST

Heather Borowski, OTR/L

Care Coordinator

Katie Mills, A.P.R.N.

CARE COORDINATOR, STROKE PROGRAM

Katie Mills