Dr. Jason Shen

Benjamin Greenberg is a Neurologist practicing medicine in Dallas, Texas. Dr. Greenberg is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Transverse Myelitis, Optic Neuritis, Neuromyelitis Optica, and Multiple Sclerosis (MS).

Dr. El-Feky is board certified in neurology, neurophysiology, and sleep medicine. He is a Fellow of the American Academy of Neurology and past president of the Texas Neurological Society. He currently practices general neurology, diagnostic neurophysiology and sleep medicine at Texas Neurology. Dr. El is highly rated in 53 conditions, according to our data. His clinical expertise encompasses Narcolepsy, Cerebellar Degeneration, Foot Drop, and Restless Legs Syndrome. Dr. El is board certified in Sleep Medicine- American Board Of Psychiatry And Neurology/Sleep Medicine, Neurology- American Board Of Psychiatry And Neurology/Neurology, Clinical Neurophysiology- American Board Of Psychiatry And Neurology/Clinical Neurophysiology, Clinical Neurophysiology- American Board Of Psychiatry And Neurology, Neurology- American Board Of Psychiatry And Neurology, and Sleep Medicine- American Board Of Psychiatry And Neurology.

Dr. Schiffmann is a renowned expert on neurometabolic diseases. He earned his medical degree from the University of Liège, Belgium and a Master of Health Sciences in Clinical Research from Duke University. He is board-certified in Neurology with a Special Qualification in Child Neurology and is a Fellow of the American Academy of Neurology. Dr. Schiffmann was a lead researcher at the United States National Institutes of Health in Bethesda, Maryland for over 17 years (1991-2007) and then the Director of the Institute of Metabolic Disease at the Baylor Scott & White Research Institute in Dallas, Texas, 2008-2019. Dr. Schiffmann is a Professor in the Department of Internal Medicine, Texas Christian University and a Clinical Professor, Texas A&M University Medical School College of Medicine. He is also a Senior Vice President for Clinical Research at 4D Molecular Therapeutics. Dr. Schiffmann has been performing pre-clinical and clinical research on lysosomal storage diseases since 1991 with a special focus on the natural history, pathogenesis and therapy of Fabry disease, Gaucher disease and the leukodystrophies. One of his particular interests and areas of expertise is to address patients with undiagnosed neurological diseases. Dr. Schiffmann has published 276 peer-reviewed research articles and over 15 book chapters. Dr. Schiffmann is highly rated in 10 conditions, according to our data. His clinical expertise encompasses Gaucher Disease Type 3, Fabry Disease, Gaucher Disease, and Leukodystrophy. Dr. Schiffmann is board certified in Neurology With Special Qualification In Child Neurology- American Board Of Psychiatry And Neurology/Neurology With Special Qualification In Child Neurology and Neurology With Special Qualification In Child Neurology- American Board Of Psychiatry And Neurology.