David M Simpson
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David M Simpson, MD

Neurology

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About Me

David M. Simpson, MD, FAAN, is Professor of Neurology at The Icahn School of Medicine at Mount Sinai, Department of Neurology. He is Director of the Neuromuscular Diseases Division, Director of the Clinical Neurophysiology Laboratories, and Director of the Neuro-AIDS Program.

Author of more than 300 publications, Dr. Simpson is the principal investigator for many research studies. He led the studies that demonstrated the safety and effectiveness of the high concentration capsaicin patch in the treatment of certain types of painful peripheral neuropathy.

Dr. Simpson also led a research team that performed and published the first placebo-controlled study demonstrating the safety and effectiveness of botulinum toxin in the treatment of post-stroke spasticity. Additional studies by Dr. Simpson's group demonstrated the superiority of botulinum toxin over oral anti-spasticity medications. He has also led several studies to enhance the technique of the botulinum toxin injection. Dr. Simpson has lectured and published extensively in this area and trained physicians in these injections throughout the world.

In addition to his spasticity studies, Dr. Simpson chaired a panel chartered by the American Academy of Neurology to develop evidence-based guidelines on the use of botulinum toxin for a wide range of neurological diseases, including movement disorders such as cervical dystonia and blepharospasm; pain, including migraine; and autonomic disorders, such as hyperhidrosis (excessive sweating).

Dr. Simpson is a member of the American Neurological Association and the American Pain Society. He is a Fellow of the American Academy of Neurology, and the American Academy of Neuromuscular and Electrodiagnostic Medicine. He is on the editorial board of AIDS Patient Care and Current HIV/AIDS Reports.

For more information, contact Dr. Alexandra Nmashie at 212-241-3193 .

Dr. Simpson offers telemedicine appointments when appropriate.  Please call his office to schedule a video visit.

The state of Florida requires out-of-state professionals who are registered to provide telehealth services to display a hyperlink to the Florida Department of Health telehealth web page. This allows Florida patients who are receiving medical care by telehealth to confirm the provider’s licensure and Florida registration.

Research Links

Pianist Finds Relief for Common, Yet Underdiagnosed Muscle Condition with Botox

The Mount Sinai Medical Center's Department of Neurology has experts like David Simpson, MD, and Lan Zhou, MD, who help patients suffering from pain or numbness in their limbs to identify, diagnose, and treat painful conditions like small fiber neuropathy.

David Simpson from Mount Sinai Hospital: New Guidelines Provide Clearer Picture for Botulinum Toxin Use

 

 

Language
English, Hebrew
Position
PROFESSOR | Neurology, Neuromuscular Diseases
Hospital Affiliations
  • Mount Sinai Beth Israel
  • Mount Sinai Brooklyn
  • The Mount Sinai Hospital
Research Topics

HIV/AIDS, Immune Deficiency, Infectious Disease, Motor Control, Neurology, Neuromuscular System, Neurophysiology, Neurotoxicology, Pain, Rehabilitation, Spinal Cord, Stroke, Viruses and Virology

Clinical Focus

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Education

MD, SUNY at Buffalo-School of Medicine & Biomedical Sciences
Residency, Neurology

New York Presbyterian Hospital-Weill Cornell Center

Fellowship, Clinical Neurophysiology

Massachusetts General Hospital

Certifications

American Board of Psychiatry and Neurology
Am Board of Electrodiagnostic Medicine

Awards

2018

America’s Top Doctors (Castle Connolly Medical)

2018

Mitchell B Max Award in Neuropathic Pain

American Academy of Neurology

2016

Best Doctors in New York, New York Magazine

2010

Fellow of the Royal College of Physicians

1997

Royal College of Physicians and Surgeons of Canada Service Award

1977

Alpha Omega Alpha

1976

James A. Gibson Anatomical Society

Research

Dr. Simpson co-designed a study to determine if botulinum (BoTN) can help individuals who suffer with task-dependent upper limb tremor. Patients who struggle with this disorder often have to abandon careers, in which they rely on their hands, (i.e. violinists, dentists, jewelers, surgeons). We are enrolling this exploratory pilot trial using botulinum toxin Type A in 20 patients with task-dependent upper limb tremor. The goal of this study is to gather information so that a larger multi-center study can be performed in the future.

Locations

Insurance Information

Accepted insurance may vary by the doctor’s office location. Please contact the office directly to obtain the most up-to-date insurance information.

Patients with Cigna Medicare Advantage or Humana Medicare Advantage insurance: Please read this important message before booking to find out if out-of-network costs may apply to your next visit.

  • Neurology Faculty Practice Associates1468 Madison Avenue, Annenberg 2nd Floor, Box 1052, New York, NY, 10029
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Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).

Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.

Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.

Publications

Publications:211
Selected Publications

Patient Experience Star Ratings and Comments

The Patient Experience Star Rating reflects our patients’ perception of how well their Mount Sinai provider communicated with them during an office visit. The Star Rating is based on patient responses to three questions on a patient experience survey, a standardized questionnaire sent to verified patients and distributed by a third party vendor, Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score.


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Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device, biotechnology companies, and other outside entities to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their outside financial relationships.

Below are financial relationships with industry reported by Dr. Simpson during 2024 and/or 2025. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.

Consulting or Other Professional Services Examples include, but are not limited to, committee participation, data safety monitoring board (DSMB) membership

  • Shionogi USA, Inc.
  • Vertex Pharmaceuticals Incorporated
  • AbbVie, Inc.
  • Alexion Pharmaceuticals

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.