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The Pediatric and Spinal Cord Tumor Center Doctors and Staff

At the Johns Hopkins Pediatric Brain and Spinal Cord Tumor Center, a team of doctors and other health care professionals works together to provide the most effective and safest treatment possible for each child’s brain or spinal cord tumor. Expect highly specialized expertise and cutting-edge treatments, delivered with compassion.

Team members within the Department of Neurosurgery

Neurosurgeons and physician assistants are the main members of your child’s brain tumor care team.


Photo of Dr. Edward Sanghoon Ahn, MD

Ahn, Edward Sanghoon, MD

Assistant Professor of Neurological Surgery
Assistant Professor of Pediatrics
Photo of Dr. George Issa Jallo, MD

Jallo, George Issa, MD

Professor of Neurological Surgery
Professor of Oncology
Professor of Pediatrics
Clinical Director, Pediatric Neurosurgery
Photo of Dr. Jon David Weingart, MD

Weingart, Jon David, MD

Professor of Neurological Surgery
Professor of Oncology
Director, Neurosurgical Operating Room


Pediatric Oncologists

Photo of Dr. Kenneth Jay Cohen, MD

Cohen, Kenneth Jay, MD

Associate Professor of Oncology
Associate Professor of Pediatrics
Director, Fellowship Training Pediatric Hematology/Oncology
Associate Professor
Director, Pediatric Neuro-Oncology
Clinical Director Pediatric Oncology

Physician Assistants

photo of Stephanie Chen

Chen, Stephanie

Physician Assistant

Gates, Judy

Physician Assistant
photo of Heather Kerber

Kerber, Heather

Physician Assistant


Other members of the brain tumor care team

Other doctors and health care professionals with special expertise in brain tumors may be part of the child’s brain tumor care team. These could include:

  • Neurologists
  • Neuroradiologists
  • Ophthalmologists
  • Critical care doctors and nurses
  • Pediatric Oncologists
  • Physical and occupational therapists
  • Radiologists
  • Speech language pathologists

The specific doctors and health care professionals involved will depend on the patient’s tumor, symptoms and treatment.

Social workers will also help coordinate care after the child leaves the hospital.

For more information, contact the Johns Hopkins Pediatric Brain Tumor Center at 410-955-7337.


#1 in Neurology and Neurosurgery in the U.S. for Four Consecutive Years

US News and World Report Best HospitalsThe Johns Hopkins Hospital ranked #1 in the nation in 2013 and is the only hospital in history to be ranked #1 for 21 years in a row by U.S. News & World Report.


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