• The Barrow Neuroplex
  • Find a Doctor
  • International Patients
  • Contact Us
  • Patients & Families
  • Education
  • Research
  • Departments & People
  • News & Stories
  • Transfer a Patient
  • photo of phoenix neurologist holly shill

    Request an Appointment with Dr. Shill

    Call (602) 406-6262

    Holly Shill, MD

    Movement Disorders (602) 406-6262

    Holly Shill, MD, is director of the Muhammad Ali Parkinson Center at Barrow Neurological Institute at Dignity Health St. Joseph’s Hospital and Medical Center in Phoenix. She is board certified by the American Board of Psychiatry and Neurology.

    Dr. Shill’s expertise includes the diagnosis and treatment of involuntary movements, essential tremor, Parkinson’s disease, Huntington’s disease, dystonia, and ataxia. She is a member of the Arizona Neurological Society, the American Academy of Neurology, the Movement Disorder Society, and the International Neurotoxin Association.

    Dr. Shill received her medical degree from the University of Arizona College of Medicine in Tucson. She completed her internship at Dignity Health St. Joseph’s in internal medicine. Dr. Shill completed her residency in neurology at Barrow Neurological Institute and a fellowship in movement disorders at the National Institutes of Health.

    Dr. Shill’s research studies include risk factors for the development and progression of Parkinson’s disease and innovative treatments for Parkinson’s. She also studies pathogenesis of essential tremor.

    For more information or to request an appointment, please call (602) 406-6262.

    Fax: (602) 406-6261

    Education & Training
    • Fellowship, Human Motor Control Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, 2000-2002
    • Residency, Barrow Neurological Institute, Neurology, 1996-1999
    • Internship, St. Joseph’s Hospital and Medical Center, Internal Medicine, 1995-1996
    • MD, University of Arizona College of Medicine, 1995
    • BS, University of Arizona, Electrical Engineering, magna cum laude, 1991
    Professional Memberships
    • Parkinson Study Group Member
    • Arizona Neurological Society
    • American Academy of Neurology
    • Movement Disorder Society
    • Alpha Omega Alpha Medical Honors Society
    • Active Member, International Neurotoxin Association
    Honors and Awards
    • Forty under 40 award, Phoenix Business Journal, 2007
    • Fellows Award for Research Excellence (FARE), 2002
    • Resident Scholarship, American Academy of Neurology, 1999
    • Janet M. Glasgow Memorial Achievement Citation, American Medical Women’s Association, Inc., 1995
    • Alpha Omega Alpha, 1995-present
    • Dean’s Scholarship, University of Arizona College of Medicine- full tuition/room/board 1991-1995
    • National Merit Scholar, 1987
    • Honors Academic Scholarship- full tuition 1987-1991
    • Eta Kappa Nu, National Electrical and Computer Engineering Honors Society
    • Baird Scholarship, 1987-1989
    Selected Publications
    1. Symanski C, Shill HA, Dugger B, Hentz JG, Adler CH, Jacobson SA, Driver-Dunckley E, Beach TG. 1. Symanski C, Shill HA, Dugger B, Hentz JG, Adler CH, Jacobson SA, Driver-Dunckley E, Beach TG. Essential tremor is not associated with cerebellar Purkinje cell loss. Mov Disord. Apr 2014;29(4):496-500.
    2. Siderowf A, Pontecorvo MJ, Shill HA, Mintun MA, Arora A, Joshi AD, Lu M, Adler CH, Galasko D, Liebsack C, Skovronsky DM, Sabbagh MN. PET imaging of amyloid with Florbetapir F 18 and PET imaging of dopamine degeneration with 18F-AV-133 (florbenazine) in patients with Alzheimer’s disease and Lewy body disorders. BMC Neurol. 2014;14:79.
    3. Jacobson SA, Morshed T, Dugger BN, Beach TG, Hentz JG, Adler CH, Shill HA, Sabbagh MN, Belden CM, Sue LI, Caviness JN, Hu C, Arizona Parkinson’s Disease C. Plaques and tangles as well as Lewy-type alpha synucleinopathy are associated with formed visual hallucinations. Parkinsonism Relat Disord. Sep 2014;20(9):1009-1014.
    4. Dugger BN, Hentz JG, Adler CH, Sabbagh MN, Shill HA, Jacobson S, Caviness JN, Belden C, Driver-Dunckley E, Davis KJ, Sue LI, Beach TG. Clinicopathological outcomes of prospectively followed normal elderly brain bank volunteers. J Neuropathol Exp Neurol. Mar 2014;73(3):244-252.
    5. Dugger BN, Adler CH, Shill HA, Caviness J, Jacobson S, Driver-Dunckley E, Beach TG, Arizona Parkinson’s Disease C. Concomitant pathologies among a spectrum of parkinsonian disorders. Parkinsonism Relat Disord. May 2014;20(5):525-529.
    6. Beach TG, Carew J, Serrano G, Adler CH, Shill HA, Sue LI, Sabbagh MN, Akiyama H, Cuenca N, Arizona Parkinson’s Disease C. Phosphorylated alpha-synuclein-immunoreactive retinal neuronal elements in Parkinson’s disease subjects. Neurosci Lett. Jun 13 2014;571:34-38.
    7. Adler CH, Dugger BN, Hinni ML, Lott DG, Driver-Dunckley E, Hidalgo J, Henry-Watson J, Serrano G, Sue LI, Nagel T, Duffy A, Shill HA, Akiyama H, Walker DG, Beach TG. Submandibular gland needle biopsy for the diagnosis of Parkinson disease. Neurology. Mar 11 2014;82(10):858-864.
    8. Adler CH, Beach TG, Hentz JG, Shill HA, Caviness JN, Driver-Dunckley E, Sabbagh MN, Sue LI, Jacobson SA, Belden CM, Dugger BN. Low clinical diagnostic accuracy of early vs advanced Parkinson disease: clinicopathologic study. Neurology. Jul 29 2014;83(5):406-412.
    9. Shill HA, Fife TD. Causes of imbalance and abnormal gait that may be misdiagnosed. Semin Neurol. Jul 2013;33(3):270-275.
    10. Mu L, Sobotka S, Chen J, Su H, Sanders I, Nyirenda T, Adler CH, Shill HA, Caviness JN, Samanta JE, Sue LI, Beach TG, Arizona Parkinson’s Disease C. Parkinson disease affects peripheral sensory nerves in the pharynx. J Neuropathol Exp Neurol. Jul 2013;72(7):614-623.

    About Barrow Neurological Institute
    Since our doors opened as a regional specialty center in 1962, we have grown into one of the premier destinations in the world for neurology and neurosurgery. Our experienced, highly skilled, and comprehensive team of neurological specialists can provide you with a complete spectrum of care–from diagnosis through outpatient neurorehabilitation–under one roof. Barrow Neurological Institute: Discover. Educate. Heal.