David M. Simpson, MD, FAAN

David Simpson, MD has broad-based knowledge and expertise in the therapeutic application of botulinum neurotoxin injections. He injects botulinum neurotoxin in the management of adult spasticity, focal limb dystonia, tremor, Meige syndrome, blepharospasm, hemifacial spasm, and tics.

Dr. Simpson is Professor of Neurology and Director of the Clinical Neurophysiology Laboratories and Neuromuscular Division at Icahn School of Medicine at Mount Sinai in New York.

Dr. Simpson received his medical degree from the State University of New York at Buffalo School of Medicine. He completed an internship in Internal Medicine at University Hospitals of Cleveland, Case Western Reserve University in Cleveland, Ohio, and a residency in Neurology at Cornell University Medical Center in New York. He completed a fellowship in EMG/Clinical Neurophysiology at Massachusetts General Hospital, Harvard Medical School, in Boston, Massachusetts.

Dr. Simpson is the author of over 266 original peer-reviewed publications and 97 book chapters; he has edited three books and serves on several editorial boards. He has been the principal investigator for numerous studies on subjects including the treatment of neuropathic pain in patients with peripheral neuropathy; neurological complications of HIV/AIDS; and treatment of spasticity, limb dystonia and tremor with botulinum neurotoxin. He has been Chair of the American Academy of Neurology’s subcommittee charged with generating evidence-based guidelines for the use of botulinum neurotoxins.

Dr. Simpson is President of the International Neurotoxin Association and a member of the American Neurological Association and the American Academy of Pain Medicine. He is also a Fellow of the American Academy of Neurology and the American Association of Neuromuscular & Electrodiagnostic Medicine. In 2018, he received the Mitchell B. Max Award for Neuropathic Pain for outstanding achievements in the field from the American Academy of Neurology.

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