Dr. Dewey is a Professor in the Department of Neurology and Director of the Clinical Center for Movement Disorders at the University of Texas Southwestern Medical Center in Dallas, Texas. He serves as a mentor in the medical student Colleges program at UT Southwestern Medical School. 

Dr. Dewey earned his medical degree with high honors from Baylor College of Medicine in Houston, Texas where he was named a President’s Scholar and was elected to the Alpha Omega Alpha honor society in his junior year. He completed his medical internship at St. Joseph’s Hospital in Houston, Texas, and his neurology residency at the Mayo Graduate School of Medicine in Rochester, Minnesota. Dr. Dewey then completed a movement disorders fellowship at the Mayo Clinic in Rochester, Minnesota and Scottsdale, Arizona. Dr. Dewey is a diplomate of the American Board of Psychiatry and Neurology, a Fellow of the American Academy of Neurology, and a Fellow of the American Neurological Association. 

He has received several notable honors throughout his medical career, including America’s Top Physicians, Best Doctors in America, Texas Super Doctors, Guide to America’s Top Physicians, D Magazine Best Doctors in Dallas, HealthGrades Five-Star Doctor, and US News and World Report Top Doctors.

Dr. Dewey has been an invited speaker participating in over 100 lectures and presentations on an international, national, regional, and local level. He has written and contributed to book chapters, educational materials, abstracts, and articles for such journals as Archives of Neurology, Neurology, Clinical Neuropharmacology, Neurosurgery, Movement Disorders, and Cognitive and Behavioral Neurology. His primary research interests are in the areas of new therapeutics, biomarker discovery, and disease modification of Parkinson disease.


Medical School
Baylor College of Medicine (1989)
St. Joseph's Hospital (1990), Transitional Internship
Mayo Clinic School of Graduate Medical Education (1993), Neurology
Mayo Clinic School of Graduate Medical Education (1994), Movement Disorders

Research Interest

  • Biomarker discovery in Parkinson disease
  • Disease modifying drug development in Parkinson disease
  • Therapeutics and disease mechanisms in disorders of the basal ganglia


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Featured Books Legend Featured Books

Honors & Awards

  • U.S. News and World Report "Top Doctors"
  • D Magazine Best Doctors
  • Texas Superdoctors
    Texas Monthly Magazine (2007-2019)
  • Best Doctors in America
  • Neurology teaching award
    for excellence in teaching residents and medical students (1995)
  • Alpha Omega Alpha
    Baylor College of Medicine (1988)
  • Phi Beta Kappa
    Duke University (1984)

Professional Associations/Affiliations

  • Fellow, American Neurological Association (2006)
  • Fellow, American Academy of Neurology (1991)
  • Dallas County Medical Society
  • Movement Disorders Society
  • Parkinson Study Group
  • Texas Medical Association