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Department of Neurology

Department of Neurology

Faculty | Professors



To see if Dr. Chang is accepting new patients, or for assistance finding a UC Davis doctor, please call:
(800) 2-UC DAVIS.

Gregory Chang, M.D.

Gregory Chang, M.D.


UC Davis Medical Center
2315 Stockton Blvd., Suite 5308
Sacramento, CA 95817
(916) 734-2011


Lawrence J. Ellison Ambulatory Care Center
4860 Y St., Suite 3700
Sacramento, CA 95817
(916) 734-6280


Clinical and Research Interests

Dr. Chang's major areas of research interest include: clinical evaluation of coma and its predictive outcome by physical examination and other ancillary testing protocols, and use of computer and modem to link and improve communications among neurologists in the United States and other countries.

Other Languages



University of California, San Diego, Medical School
La Jolla, California

University of San Francisco
San Francisco, California


Martinez Veterans Administration Hospital
Martinez, California


Letterman Army Medical Center
San Francisco, California
Neurology/Internal Medicine

Board Certifications

Neurology, American Board of Psychiatry and Neurology, 1985
Electrodiagnosis - EMG, American Academy of Electrodiagnostic Medicine, 1993
Clinical Neurophysiology, American Board of Psychiatry and Neurology, 1994
Clinical EEG, American Board of Electroencephalography and Neurophysiology, 1995

Select Recent Publications

Milton K, Chang GY. Ex-vacuo interna phenomenon. European J Neurology 2012; 19: e112–e113.

Chang GY. Clinical recognition of varicella zoster virus vasculopathy. Eur Neuro 2012; 67: 298-299.

Chang GY. Paradoxical upward brainstem displacement in occipital hemorrhage.  Neurosurg Quarterly 2012; 22: 184-185.

Chang GY. Foot-dipping in coma: a physical sign indicative of evolving brain herniation. Eur Neurol 2010; 64: 145-147.

Chang GY. “Racoon Eyes“ from a Stent Placement. J NeuroIntervent Surg 2012; 4: 153.

Suzuki S, Chang GY. Primitive trigeminal artery infarction. Neurology 2010; 75: S66.

Galion A, Do A, Chang GY. Lateralized Infarcts in Cerebral Air Embolism due to Patient Positioning. J of Clin Neuroscience 2010; 17: 943-944.