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William Farnsworth, MD

  • Neurology
William Farnsworth, MD
Accepts new patients
age-group-adults-color Treats adults


6010 Hidden Valley Rd
STE 200
Carlsbad, CA 92011
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Phone Number


  • Neurology


  • English


As a neurologist, William Benjamin Farnsworth, MD, specializes in sports neurology. He has a clinical interest in neurologic diseases seen in athletes, including concussion, traumatic brain injury (TBI) and post-concussion syndrome. While sports-related injuries are not always avoidable, Dr. Farnsworth's mission is to ensure that athletes return to play in a safe manner. 

Dr. Farnsworth started practice in 2021. Prior research activities have included heart rate variability in athletes with acute concussion and head/neck cooling in athletes with acute concussion.

Dr. Farnsworth is a member of the American Academy of Neurology. 

Dr. Farnsworth's hobbies include surfing, cycling and wildlife photography.

Board Certifications

  • American Board of Psychiatry and Neurology, Neurology, 2020

Medical Education

  • St George's University School of Medicine, MD, 2016


  • Virginia Commonwealth University School of Medicine, Internal Medicine, 2017


  • Virginia Commonwealth University School of Medicine, Neurology, 2020


  • University of Michigan, Sports Neurology, 2021

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