Gregory (Gregg) S. Day, M.D.

  1. Neurologist

Departments

Location

  1. Jacksonville, Florida

Languages

English

Gregory S. Day, M.D., is a neurologist, with special interest in the diagnosis and management of Alzheimer disease and related causes of dementia. He has additional expertise in the evaluation and treatment of patients with the following rare conditions:

  • Rapidly progressive dementia
  • Autoimmune (inflammatory) encephalitis
  • Reversible causes of dementia

In addition to clinical work, Dr. Day is active in clinical research. He conducts observational studies and clinical trials in Alzheimer disease, rapidly progressive dementia and autoimmune-causes of cognitive impairment. He has authored more than 50 indexed scientific publications, and is an active member of the American Academy of Neurology where he serves on a number of committees focused on improving neurology practice.

  1. Alzheimer's disease
  2. Autoimmune encephalopathy
  3. Behavioral changes
  4. Corticobasal syndrome
  5. Creutzfeldt Jakob disease
  6. Dementia
  7. Encephalitis
  8. Frontotemporal dementia
  9. Lewy body dementia
  10. Memory changes
  11. Memory loss
  12. Mild cognitive impairment
  13. NMDA receptor antibody encephalitis
  14. Posterior cortical atrophy
  15. Primary progressive aphasia
  16. Progressive supranuclear palsy
  17. Wernicke-Korsakoff syndrome
  • Rapidly progressive dementia
  • Reversible dementias
  • Autoimmune dementias / autoimmune encephalitis
  • Creutzfeldt-Jakob disease
  • Alzheimer disease and other dementias
  • Early-onset dementias
  1. 2018
    Graduate Certificate - Clinical InvestigationWashington University in St. Louis
  2. 2015
    Fellowship - Memory and AgingWashington University in St. Louis
  3. 2014
    Residency - Adult NeurologyUniversity of Toronto
  4. 2009
    MDQueen's University
  5. 2006
    MSc - Neuroscience StudiesQueen's University
  6. 2003
    BS - Life Sciences (Research Stream)Queen's University

Awards and honors

  1. 2019
    Sven Eliasson Award for Teaching Excellence; Department of NeurologyWashington University School of Medicine
  2. 2019
    Emerging Leaders ProgramAmerican Academy of Neurology
  3. 2018
    Alene & Meyer Kopolow AwardWashington University, Barnes Jewish Hospital Foundation
  4. 2018
    Travel FellowshipAmerican Neurological Association
  5. 2017
    Travel FellowshipAlzheimer's Association International Conference
  6. 2016
    Fellow Scholarship to the Annual MeetingAmerican Academy of Neurology
  7. 2015
    Distinguished Reviewer of the YearCanadian Journal of Neurological Sciences
  8. 2015
    Travel FellowshipAlzheimer's Association International Conference
  9. 2014
    André Barbeau Memorial PrizeCanadian Neurological Society
  10. 2014
    J.T. Marotta Teaching Award University of Toronto
  11. 2013
    Chief ResidentUniversity of Toronto
  12. 2013
    John Wherrett AwardUniversity of Toronto
  13. 2013
    Future Leader Award in DementiaPfizer
  14. 2013
    Top Submission AwardHealth Science Inquiry Journal
  15. 2012
    Joseph M West Family Memorial FundUniversity of Toronto

Professional memberships

  1. 2020 - present
    Committee ChairAmerican Academy of Neurology
  2. 2019 - present
    MemberCanadian Neurological Society
  3. 2018 - present
    MemberAmerican Neurological Association
  4. 2018 - present
    MemberAlzheimer’s Association International Society to Advance Alzheimer’s Research and Treatment
  5. 2017 - 2019
    Medical Advisory Board - MemberAlzheimer's Association, Greater Missouri Chapter
  6. 2016 - 2020
    Committee MemberAmerican Academy of Neurology
  7. 2016 - present
    Committee MemberWashington University School of Medicine
  8. 2015 - present
    Committee MemberAmerican Academy of Neurology
  9. 2015 - present
    Committee MemberAmerican Academy of Neurology
  10. 2007 - present
    MemberAmerican Academy of Neurology

Publications