The UC Davis Huntington's Disease Clinic is a
Huntington’s Disease Society of America Center of Excellence known for our expertise in clinical care for Huntington’s disease patients. The Huntington’s Disease Clinic is one of the largest in the country and is led by UC Davis faculty members in the Department of Neurology and Psychiatry. In addition to clinical care, patients also have access to emerging new treatments through clinical trials.

Vicki Wheelock, M.D.

Dr. Vicki Wheelock is the director of the HDSA Center of Excellence at UC Davis. She is a Health Sciences clinical professor in the Department of Neurology at UC Davis and an investigator member of the Huntington Study Group. Dr. Wheelock is the principal investigator of the California Institute of Regenerative Medicine Grant DR2A-05415, funding a planned study of engineered adult stem cells to treat patients with Huntington's disease. Provider Profile »

Lorin Scher, M.D.

Dr. Lorin Scher is a Health Sciences associate clinical professor in the Department of Psychiatry and Behavioral Sciences. He is board-certified in General Psychiatry and Psychosomatic Medicine. Dr. Scher's clinical interests include emergency psychiatry, consultation liaison psychiatry, and the psychiatric management of Huntington's disease. His academic interests include improving clinical outcomes in Huntington's disease and developing collaborative care initiatives to improve mental health outcomes in the primary care setting. Provider Profile »

Celia Chang, M.D.

Dr. Celia Chang is a Health Sciences clinical professor in the Department of Neurology at UC Davis. She is board certified in Neurology. A member of the Child Neurology Society, her practice focuses on children suffering from diseases and congenital disorders of the nervous and neuromuscular systems, including epilepsy, movement disorders, muscular dystrophies, and muscle weakness. As a consultant child neurologist, she brings more than 15 years of experience and expertise in pediatric neurology to the HD Center of Excellence team. Provider Profile »

Josh Dayananthan, MD

Josh Dayananthan, M.D.

Dr. Dayananthan is a general neurologist and movement disorders, specialist. He is Movement Disorders Fellowship trained, with skills including diagnosis and treatment for Parkinson's disease, tremors, Huntington's disease, and dystonia, among others. His procedural skills including deep brain stimulation programming for movement disorders and botulinum toxin injections for dystonia, tremor, and chronic migraine headache. In addition to movement disorders, he has special clinical interest and expertise in headache management. Provider Profile »

Sasha Duffy, D.O.

Former Chief Resident and Movement Disorders Fellow in the Department of Neurology at UC Davis, Dr. Alexandra "Sasha" Duffy joined the faculty as an assistant clinical professor in 2015.  In addition to her clinical role as a neurologist specializing in movement disorders, Dr. Duffy is an investigator in the UC Davis Huntington's disease stem cell studies, and she also serves as Director of the Neurology Residency Program. Provider Profile »

Lisa Mooney, M.S.W., L.C.S.W.

Lisa Mooney is the licensed clinical social worker (LCSW) for the HDSA Center of Excellence and Northern California Chapter. HD patients, family members, and community providers can call Lisa regarding HD resources, community resources and benefits, information and education, and long term care planning.

Rebecca Craig, C.C.R.P.

Becky graduated from UC Davis in 2005 with a BS in Neurobiology, Physiology, and Behavior and completed a Master of Science in Health Science in Clinical and Translational Research from the George Washington University in 2019.  She joined the HDSA Center of Excellence as a research coordinator in 2019 and is lead coordinator for several trials.

Mara Sifry-Platt, L.C.G.C.

Mara received her Masters’ Degree in Genetic Counseling from UC Berkeley in 1992. She joined the UC Davis HDSA Center of Excellence in 2008. She documents family histories, answers questions about genetics, DNA testing, and reproductive options, and she helps people who are considering predictive testing. Mara also works as a genetic counselor for Kaiser in Northern California where she coordinates a Genetic Movement Disorder Clinic and annual HD education event.

Michael Sterken, D.P.T.

Michael has been a licensed physical therapist since 2011.  He has been a board-certified clinical specialist in neurologic physical therapy since 2019.  His primary experience is working with patients with neurological dysfunction in the acute care setting at the UC Davis Health he also serves as a clinical instructor, a patient handling educator, and a lecturer.  Michael has been the primary PT consultant for the UC Davis HDSA Center of Excellence since June of 2018.

Sarah Tomaszewski Farias, Ph.D.

Dr. Sarah Farias is a board-certified neuropsychologist with experience in the cognitive assessment of clinical populations, including Huntington’s disease. She is a health sciences professor in the Department of Neurology at UC Davis and co-leads the Clinical Core for the federally funded UC Davis Alzheimer’s Disease Research Center. Her research in the area of cognitive aging has been funded by the National Institute of Aging (NIA) for the last 10 years. Dr. Farias is a collaborative investigator on the California Institute of Regenerative Medicine Grant DR2A-05415 to study the use of adult stem cells to treat patients with Huntington's disease.




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