Neurosurgeons
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Daniel Aharon Donoho, MD
Locations
Departments
- Interim Senior Vice President, Neuroscience and Behavioral Medicine Center
- Division Chief, Neurosurgery
Robert Francis Keating, MD
Locations
Departments
- Brachial Plexus Program
- Brain Tumor Institute
- Cancer and Blood Disorders Center
- Neuroscience and Behavioral Medicine Center
- Colorectal
- Cleft and Craniofacial Program
- Movement Disorders Program
- Neurocritical Care
- Neurofibromatosis Institute
- Neurosurgery
- Prenatal Pediatrics Institute
- Spina Bifida Program
- Tuberous Sclerosis Program
John Socrates Myseros, MD
Locations
Departments
Chima Obioma Oluigbo, MD
Locations
Departments
Hasan Raza Syed, MD
Locations
Departments
Neuro-Oncologists
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Adriana Fonseca Sheridan, MD
Locations
Departments
- Division Chief, Oncology
- Neuro-Oncologist
- Director, Neuro-Immunotherapeutics Program
Eugene Ickjin Hwang, MD
Locations
Departments
- Director, Clinical Neuro-Oncology
- Director, Neuro-oncology Experimental Therapeutics Program
- Neuro-Oncologist
Lindsay B Kilburn, MD
Locations
Departments
Jennifer M. Levine, MD
Locations
Departments
- Associate Director, Brain Tumor Institute
- Director, Molecular Biology and Data Science, Brain Tumor Institute
- Neuro-Oncologist
Brian Richard Rood, MD
Locations
Departments
Luca Szalontay, MD
Locations
Departments
Neurologists
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Elizabeth Scherer Duke, MD
Locations
Departments
- Director, Gilbert Family Neurofibromatosis Institute
- Director, Brain Tumor Institute
- Neurologist
Roger J. Packer, MD
Locations
Departments
- Clinical Co-Director, Gilbert Family Neurofibromatosis Institute
- Neurologist
- Neuro-Oncologist
Benjamin Siegel, MD
Locations
Departments
Steven Francis Stasheff, MD
Locations
Departments
- Executive Vice President, Children's National Hospital
- Chief Clinical Officer
- Physician-In-Chief
- Neurologist
Neuroradiologists
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Jose Francisco Molto Garcia, MD
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Departments
Jonathan George Murnick, MD, PHD
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Departments
Kyle Spagnolo, DO
Locations
Departments
Radiation Oncologists
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- Radiation Oncologist
- Lead, Pediatric Radiation Oncology Program
- Radiation Oncologist
- Radiation Oncologist
Neuropsychologists
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Caitlyn J Cap, PsyD
Locations
Departments
Emily J. Carlson, PhD
Locations
Departments
- Director, Safe Concussion Outcome, Recovery and Education (SCORE) Program
Gerard Anthony Gioia, PhD
Locations
Departments
- Director, Neuropsychology, Brain Tumor Institute
- Neuropsychologist
Neuro-ophthalmologists
Nurse Practitioners
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Dorothy Roberta Davis, NP, CPNP
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Departments
Kate Ashley Mazur, CPNP
Locations
Departments
Katie Lynn Reid, PA-C
Locations
Departments
Kelly Adrian Ridgway, CPNP
Locations
Departments
Heather Elizabeth Schniepp, NP, DNP
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Departments
Christine O Thomas, CPNP
Locations
Departments
Research Nurses and Coordinators
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- Clinical Research Nurse Coordinator
Julia Batarseh, BSN, RN
Languages
- English
Departments
- Clinical Nurse Coordinator
Emily Godwin, BSN, RN, CPN, CPHON, BMTCN
Languages
- English
Departments
- Clinical Research Nurse Coordinator
Julia Mascia, RN
Languages
- English
Departments
Biography
Julia Mascia, RN, BSN, has worked in pediatric hematology and oncology for over 13 years. She recently joined the Neuro-Oncology team at Children's National Hospital as the research nurse coordinator for the past three years. She feels privileged to see the growth in pediatric clinical trials and how they have given many patients and families more time, a better quality of life and in some cases improved outcomes.
- Clinical Research Nurse Coordinator
Shari Thompson, BSN, RN, CPN, CPHON
Languages
- English
Departments
- Radiation Oncology Nurse Navigator
Lin Whetzel
Languages
- English
Departments
- Brain Tumor Institute
- Cancer and Blood Disorders Center
- Oncology
- Radiation Oncology Program
- Solid Tumor Program
Biography
Lin Whetzel, RN, BSN, CPEN, is the nurse navigator for the Children's National Hospital Radiation Oncology Program (Johns Hopkins and Children's National Pediatric Cancer Care at Sibley Memorial Hospital). Her primary focus in this role is coordination between the medical oncology and radiation teams, ensuring care flows seamlessly between the two centers. Lin sets up transportation as needed for in-house patients, assists with housing for families who live outside the Washington, D.C., area, and coordinates long–term, follow–up visits. She has worked at Children’s National for 30+ years in burn intensive care,emergency medicine and nursing education.
Nurse Navigators
- Brain Tumor Institute Nurse Navigator
Megan Iaconelli, MSN, RN, CPN, CPHON, CNRN
Languages
- English
Departments
- Megan Iaconelli, MSN, RN, CPN, CPHON, CNRN, is a registered nurse with over eight years of experience in pediatric nursing. She earned her Bachelor of Science in nursing from James Madison University and her Master of Science in nursing education from Walden University. Megan began her career as a pediatric bedside nurse at Inova Children’s Hospital before joining Children’s National in 2023 as a neuro-oncology nurse navigator. In this role, she supports children with brain tumors and their families by coordinating care and ensuring clear communication across the care team from diagnosis through treatment. Since 2025, Megan has also led the Neuro-Oncology Nursing Fellowship, a six-month program that provides specialized education to bedside nurses and helps build a network of skilled neuro-oncology resource nurses. Megan is committed to supporting families through challenging diagnoses, providing guidance, reassurance and a steady presence throughout their care journey. She strives to ensure that every family feels informed, supported and never alone.
Endocrinologists
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Constantinos Athanasios Voulgaropoulos, MD
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Psychiatrists
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Jennifer Lynne Dorr, DO, MPH
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Departments
Rehabilitation Specialists
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- Division Chief, Pediatric Rehabilitation Medicine
- Pediatric Rehabilitation Specialist
Justin Michael Burton, MD
Locations
Departments
- Physical Therapist
Olivia Kelly, PT, DPT
Locations
Languages
- English
Departments
Biography
Olivia Kelly, PT, DPT is the physical therapist working in the Division of Oncology as a member of the Neuro-Oncology, Long-Term Follow-Up, and Sarcoma Clinic multidisciplinary teams. She provides support to patients and families in the clinic setting, and she is also a treating therapist providing physical therapy initial evaluations and regular follow-up treatments. Olivia has worked in early intervention, outpatient care, and with medically complex children of all ages; she comes to Children's National Hospital from Boston Children's Hospital where she developed a great passion for treating patients with oncologic diagnoses.
Olivia is committed to providing patient and family-centered care, is a strong advocate for patients' needs and believes in being a well-rounded clinician. An area of importance to her is optimizing physical function and maximizing independence on and off therapy to instill autonomy in her patients. Olivia volunteers with the Make-A-Wish Foundation, Kids in Action and the American Physical Therapy Association (APTA), where she serves as the vice president for the APTA DC chapter. She is also the state pediatric advocacy liaison for Washington, D.C., in the APTA Academy of Pediatrics. Olivia enjoys spending time with her husband and dog, traveling to visit family and friends, and will never turn down a doughnut!
- Associate Program Director, Rehabilitation Medicine Fellowship
- Associate Medical Director, Safe Kids DC
- Pediatric Rehabilitation Specialist
Speech and Language Pathologists
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- Speech-Language Pathologist
Courtney Long
Languages
- English
Departments
- Aerodigestive Clinic
- Neuroscience and Behavioral Medicine Center
- Hearing and Speech
- Brain Tumor Institute
- Voice and Vocal Cord Mobility Program
Biography
Courtney Long, MEd, CCC-SLP, CLC, NTMTC, is lead speech-language pathologist for inpatient services and a certified lactation counselor committed to providing compassionate, evidence-based care for pediatric patients and their families. She completed her undergraduate studies at Georgia Southern University and earned her master’s degree in speech-language pathology from North Carolina Central University.
Long has worked in diverse clinical settings, including rehabilitation centers, schools, private practices and hospitals. Her passion for medically complex feeding began in the school setting, inspiring her to pursue advanced expertise in pediatric swallowing and airway. While in Albuquerque, New Mexico, she launched an outpatient feeding program to serve infants and children in underserved communities. Drawn to the mission of Children’s National and her love for acute care, Long joined the hospital to provide specialized service delivery for pediatric patients with a focus on swallowing physiology and disorders, upper airway and voice conditions, motor speech and cognitive-linguistic impairments. She has advanced training and certification in flexible endoscopic evaluations of swallowing (FEES), neonatal touch and massage (NTMTC) and the Lee Silverman Voice Treatment protocol (LSVT).
Long plays an integral role on interdisciplinary teams, including Aerodigestive, Voice and Paradoxical Vocal Cord Mobility Clinic, and the Brain Tumor Institute. Long has presented nationally and internationally, engaged in research that advances evidence-based practice, and partnered with families to ensure the highest quality of patient care. She holds the Certificate of Clinical Competence (CCC) from the American Speech-Language-Hearing Association and is licensed in the District of Columbia, Maryland and Virginia.
- Speech-Language Pathologist
Ayooluwa Olateru-Olagbegi
Languages
- English
Departments
Biography
Ayooluwa Olateru-Olagbegi, MS, CCC-SLP, completed her master’s degree in speech-language pathology at the University of Arizona. Olateru-Olagbegi brings years of experience working in public schools and early intervention, primarily serving Spanish-speaking and multilingual children. Her areas of interest include voice disorders, early childhood language, school-age language, articulation and fluency. She has regularly participated in both voice and neurogenetics clinics. She employs a child-centered clinical philosophy that focuses on building functional communication through each child’s unique personality and interests. Olateru-Olagbegi holds the Certificate of Clinical Competence (CCC) in speech-language pathology from the American Speech-Language-Hearing Association and is licensed to practice in the District of Columbia, Maryland and Virginia.
Social Workers
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- Oncology Social Worker
- Oncology Social Worker