Alexandra Duffy, D.O.

Alexandra O'neill Duffy, D.O.



Movement Disorders


  • Health Sciences Assistant Clinical Professor
  • Neurology Program Director


To see if Alexandra O'neill Duffy is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

UC Davis Midtown Ambulatory Care Center

3160 Folsom Blvd, Suite 2100
Sacramento, CA 95816
Driving Directions

Primary Phone:

Additional Phone Numbers

Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Clinical Interests

Dr. Alexandra Duffy is a fellowship-trained neurologist specializing in Movement Disorders with a special interest in Huntington's disease. Dr. Duffy has expertise in the treatment of Parkinson's disease including deep brain stimulation. She also has experience in the management of Dystonia including neurotoxin injection treatment.  Additional, she has specialized training in the diagnosis and treatment of essential tremor, Parkinson's Plus Syndromes, Ataxias, and Restless Leg Syndrome. 




D.O., Touro University College of Osteopathic Medicine, Vallego CA 2010

B.S., UC Davis, Davis CA 2003

Internship: Internal Medicine, Alameda County Medical Center, Oakland CA 2010-2011


Neurology, UC Davis Medical Center, Sacramento CA 2011-2014


Neurology/Movement Disorders, UC Davis Medical Center, Sacramento CA 2014-2015

Board Certifications

American Board of Psychiatry and Neurology, Neurology, 2014

Professional Memberships

American Academy of Neurology

Huntington Study Group

Movement Disorder Society

Honors and Awards

American Academy of Neurology Institute's 2014 Annual Meeting Resident Scholarship, 2014

Select Recent Publications

Duffy A, Sifry-Platt M, Tempkin T and Wheelock V. “Protecting privacy in Huntington’s disease predictive testing: A survey of Attitudes, Beliefs and Concerns.” Eighth Annual Huntington’s disease Clinical Research Symposium, Minneapolis MN, November 2014; Neurotherapeutics 2015;12(1): 263-284.

Tempkin T, DeCarli C, Scher L, Farias S, Duffy A., Fink K, Annett G, Brunberg J, Yarborough M, Hersch S, Stout J,  Alyward E, Martin A, Kjer L, Swadell D, Nolta J,  Wheelock V.  PRE-CELL: A Pre-Cellular Observational Study in Early Huntington’s Disease. Eight Annual Huntington’s disease Clinical Research Symposium, Minneapolis MN, November 2014; Neurotherapeutics 2015;12(1): 263-284.  

Duffy A, Shen P, Verro P, Nidecker A, Chow M. Case report: Eight-and-a-Half Syndrome. Journal of Neurology Clinical Practice. 2014;4(6):526-527.

Lurvey R, Duffy A, Rothschild J. Management of Lower Urinary Tract Dysfunction in Parkinson’s Disease: a Review of Recent Treatment Options. Current Bladder Dysfunction Reports. Current Bladder Dysfunction Reports. 2014;9(3):214-220.  

Duffy A, Maselli R, Shen P. Case report: Pediatric Guillain-Barre syndrome. Published on-line by the American Journal of Neuroradiology. April 2014.