James Maas, PhD, MD


Dr. James Maas is a neurologist who specializes in treating patients with movement disorders, including Parkinson's disease, essential tremor and dystonia. He sees patients at the Movement Disorder and Neuromodulation Center at Mount Zion.

Maas' research centers on the role of proteins implicated in Parkinson's disease, as well as molecules that determine function in dopamine neurons.

Maas received his medical degree from the Washington University School of Medicine in St. Louis, where he also completed a doctorate in neuroscience. He then completed a residency in neuroscience at UCSF.

A clinical professor of neurology, Maas belongs to the American Academy of Neurology.


Movement Disorder and Neuromodulation Center
1635 Divisadero St., Suite 520
San Francisco, CA 94115
Neurology: (415) 353-2311
Neurosurgery: (415) 353-2071
Fax: (415) 353-9060

Hours: Monday to Friday
8 a.m. – 5 p.m.

Board Certification

Neurology, American Board of Psychiatry and Neurology

Academic Title

Assistant Professor

More about James Maas


Washington State University, M.D.; Doctorate of Philosophy, Neuroscience 2006


UCSF Medical Center 2010


UCSF, Neurology 2012

Selected Research and Publications

  1. Maas JW, Yang J, Edwards RH. Endogenous Leucine-Rich Repeat Kinase 2 Slows Synaptic Vesicle Recycling in Striatal Neurons. Front Synaptic Neurosci. 2017; 9:5.
  2. Asensio CS, Sirkis DW, Maas JW, Egami K, To TL, Brodsky FM, Shu X, Cheng Y, Edwards RH. Self-assembly of VPS41 promotes sorting required for biogenesis of the regulated secretory pathway. Dev Cell. 2013 Nov 25; 27(4):425-37.
  3. Maas JW. Inherited myelopathies. Semin Neurol. 2012 Apr; 32(2):114-22.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.