David Johnson, M.A., Ph.D.

David K. Johnson, M.A., Ph.D.


Alzheimer's Disease




  • Associate Clinical Professor


To see if David K. Johnson is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

UC Davis Alzheimer's Center/VA Center

100 North Wiget Lane, Suite 150
Walnut Creek, CA 94598
Driving Directions

Primary Phone:

Additional Phone Numbers

Physician Referrals: 800-4-UCDAVIS (800-482-3284)

Research/Academic Interests

Dr. Johnson's research interests include Alzheimer's disease, traumatic brain injury and Latino older adult health.




M.A., Clinical Psychology, Washington University, St. Louis MO 1999

Ph.D., Clinical Psychology, Washington University, St. Louis MO 2003

B.A., Washington College, Chestertown MD 1990

Internship: Psychology/Geropsychology, St. Louis VA Medical Center, St. Louis MO 2002-2003


Neuropsychology, Washington University, St. Louis MO 2003-2004

Board Certifications

Kansas Clinical Psychologist, 2014

State of Missouri Division of Professional Registration, Health Service Provider, 2005

Professional Memberships

Alzheimer's Association

American Psychological Association

Behavioral and Social Science of Aging Review Committee

Gerontological Society of America

National Institute on Aging

Honors and Awards

Summer Research Institute Graduate, National Institute of Aging, 2004

National Institute of Aging Training Grant Fellow, Washington University in St. Louis, Department of Psychology 1996-2003,

Merit Award, The Roma Schaefer Nooter Graduate Student Scholarship, 2002

Select Recent Publications

Burns, J. M., Johnson, D. K., Liebmann, E., & Vidoni, E. D. Safety of disclosing amyloid status in cognitively normal older adults. Alzheimer's and dementia; the journal of the Alzheimer's Association. 2017.

GarnieValdievieso-Mora, E., Peet, C. L., Garnier-Villareal, M., Salazar-Villanea, M., & Johnson, D. K. A systematic review of the relationship between familism and mental health outcomes in Latino population. Journal of Cross-Cultural Psychology. 2017.

Johnson, D. K., Langford, Z., Garnier-Villarreal, M., Morris, J. C., & Galvin, J. E. Onset of mild cognitive impairment in Parkinson disease. Alzheimer Disease and Associated Disorders. 2016;30(2), 127-133.

Morris, J. K., Vidoni, E. D., Mahnken, J. D., Montgomery, R. N., Johnson, D. K., Thyfault, J. P., & Burns, J. M. Cognitively impaired elderly exhibit insulin resistance and no memory improvement with infused insulin. Neurobiology of Aging. 2016;39, 19-24.

Gupta, A., Lepping, R. J., Yu, A. S., Perea, R. D., Honea, R. A., Johnson, D. K., Brooks, W. M., & Burns, J. M. Cognitive function and white matter changes associated with renal transplantation. American Journal of Nephrology. 2016;43(1), 50-57. 

Salazar-Villanea, M., Liebmann, E., Garnier-Villareal, M., Montenegro-Montenegro, E., & Johnson, D. K. Depressive symptoms affect working memory in healthy older adult Hispanics. Journal of Depression and Anxiety. 2015;4(4), Epub 2015 Sep 27.

Vidoni, E. D., Johnson, D. K., Morris, J. K., Van Sciver, A., Greer, C. S., Billinger, S. A., Donnelly, J. E., & Burns, J. M. Dose-response of aerobic exercise on cognition: A community-based, pilot randomized controlled trial. PloS one. 2015;10(7), e0131647.

Morris, J. K., Vidoni, E. D., Perea, R. D., Rada, R., Johnson, D. K., Lyons, K., Pahwa, R., Burns, J. M., & Honea, R. A. Insulin resistance and gray matter volume in neurodegenerative disease. Neuroscience. 2014;270, 139-47.

Watts, A. S., Vidoni, E. D., Loskutova, N., Johnson, D. K., & Burns, J. M. Measuring physical activity in older adults with and without early stage Alzheimer's disease. Clinical Gerontologist. 2013;36(4), 356-374.

Grill, J. D., Johnson, D. K., & Burns, J. M. Should we disclose amyloid imaging results to cognitively normal research participants? Neurodegenerative Disease Management. 2013;3(1), 43-51.