Alan R. Cohen

Dr. Alan R. Cohen

Neurosurgery | General Surgery
Johns Hopkins Medicine
601 North Caroline Street, Floor 5, Floor 5, 
Baltimore, MD 

Johns Hopkins Medicine
601 North Caroline Street, Floor 5, Floor 5, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Alan R. Cohen is the director of pediatric neurosurgery at Johns Hopkins Children’s Center in Baltimore, Maryland, and one of the top pediatric neurosurgeons in the country. His area of specialty is treating infants and children diagnosed with brain tumors. Dr. Cohen’s goal is to get his patients back to being a kid again. He has a patient-centered approach to caring for each of his patients, working closely with the child’s family at every stage of the decision-making process. Dr. Cohen sees patients in the neurosciences clinic located in the Levi Watkins, Jr., M.D., Outpatient Center. As the Carson-Spiro Professor of Pediatric Neurosurgery, Dr. Cohen is a leader in developing minimally invasive techniques to enhance the safety and efficacy of selected pediatric neurosurgical procedures. He serves as director of the Minimally Invasive Neurosurgery Laboratory at Johns Hopkins and directs the Minimally Invasive Neurosurgery Fellowship Program. His lab focuses on developing novel instruments and surgical approaches. He has authored more than 200 peer-reviewed journal articles and book chapters, and published two textbooks. He has given approximately 330 national and international presentations, and has been an invited visiting professor at 50 medical centers. He is past president of the Society of Neurological Surgeons, the American Society of Pediatric Neurosurgeons and the AANS/CNS Section on Pediatric Neurological Surgery. He is past vice president of the American Academy of Neurological Surgery, a past director of the American Board of Neurological Surgery and current director of the American Board of Pediatric Neurological Surgery. Patient Reviews Hear what patients have to say about Dr. Cohen’s care: • Healthgrades Patient Reviews • Vitals Patient Reviews.

Dr. Cohen is rated as an Experienced provider by MediFind in the treatment of Moyamoya Disease. His top area of expertise is Brain Abscess.

Residency
NYU Langone Hospital, Neurological Surgery, 1987
Specialties
Neurosurgery
General Surgery
Licenses
Neurological Surgery in OH
Board Certifications
American Board Of Neurological Surgery
Languages Spoken
English
Gender
Male

Insurance

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Locations

Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 5, Floor 5, Baltimore, MD 21287
Call: 410-955-6406

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


155 Total Publications

The art of the (w)rap.
The art of the (w)rap.
Journal: Journal of neurosurgery. Pediatrics
Published: July 04, 2025
View All 155 Publications
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Offers Telehealth

Dr. Caplan specializes in the treatment of cerebrovascular disorders of the brain, head, neck and spine, such as aneurysms, arteriovenous malformations, arteriovenous fistulas, moyamoya disease, carotid artery stenosis and stroke. He is dual fellowship trained in both open cerebrovascular neurosurgery and endovascular neurosurgery, allowing him to offer patients the full spectrum of the latest surgical and endovascular techniques in treating these diseases. Dr. Caplan also focuses on treating acoustic neuromas and other tumors of the skull base, including meningiomas. Dr. Caplan graduated with honors from the Johns Hopkins University with a degree in neuroscience, where he spent time in the Hunterian Neurological Surgery Research Laboratory. He then earned his medical degree from Harvard Medical School. He completed his neurosurgery residency at Johns Hopkins, along with fellowships in cerebrovascular neurosurgery and endovascular neurosurgery, also at Johns Hopkins. He then completed an additional fellowship in endovascular neurosurgery at the University of Miami before returning to join the Johns Hopkins faculty. Dr. Caplan is rated as a Distinguished provider by MediFind in the treatment of Moyamoya Disease. His top areas of expertise are Brain Aneurysm, Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Thrombectomy, and Carotid Artery Surgery.

Advanced in Moyamoya Disease
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Suresh Magge is a Neurosurgery specialist and a Pediatrics provider in Washington, Washington, D.c.. Dr. Magge is rated as a Distinguished provider by MediFind in the treatment of Moyamoya Disease. His top areas of expertise are Craniosynostosis, Plagiocephaly, Cortical Dysplasia, Craniectomy, and Posterior Fossa Decompression. Dr. Magge is currently accepting new patients.

Rafael J. Tamargo
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Dr. Tamargo specializes in the treatment of aneurysms, arteriovenous malformations (AVMs), arteriovenous fistulas (AVFs), and cavernous malformations of the brain and spinal cord in both adults and children. Dr. Tamargo specializes in revascularization procedures for moyamoya disease. For this condition, Dr. Tamargo performs either a microsurgical encephaloduroarteriomyosynangiosis (EDAMS) or a microsurgical extracranial-to-intracranial artery bypass. Dr. Tamargo also specializes in the treatment of acoustic neuromas (vestibular schwannomas). A recipient of numerous honors and awards, some of Dr. Tamargo's most recent accolades include the Neurosurgery Faculty Teaching Award and the Hopkins Richard S. Ross Clinician Scientist Award. Dr. Tamargo is rated as a Distinguished provider by MediFind in the treatment of Moyamoya Disease. His top areas of expertise are Brain Aneurysm, Subarachnoid Hemorrhage, Acoustic Neuroma, and Schwannoma.

VIEW MORE MOYAMOYA DISEASE DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

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        • Experienced
        • Brain Abscess
          Dr. Cohen is
          Experienced
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