Jessica A. Clark, PhD| Neuropsychology, Psychology | MedStar Health

Jessica A. Clark, PhD
Provider is directly employed by MedStar Health

Specialities: Neuropsychology, Psychology

Languages: English

(202) 291-5366

About me

Jessica Clark, PhD, is a neuropsychologist conducting assessments and psychotherapy with individuals who have various neurological conditions. She is the co-director of the Transitions, Neuro Day Treatment Program, working with day program patients as well as other outpatients. She is involved in the MedStar NRH Concussion Clinic, and has worked with various professional athletic teams. She also provides supervision as part of the MNRH Neuropsychology Fellowship. 

After completing her undergraduate education at Penn State University, Dr. Clark received her PhD in Clinical Psychology, specializing in neuropsychology, from the University of Kentucky. She completed an APA accredited clinical psychology internship within the neuropsychology track at the VA Maryland Health Care System/University of Maryland School of Medicine Psychology Internship Consortium in Baltimore, Maryland. She completed a two-year neuropsychology fellowship, consistent with APA Division 40/Houston Guidelines, at the MedStar National Rehabilitation Hospital in Washington, D.C.

Dr. Clark has a broad background in neuropsychological assessment and treatment, rehabilitation, and various types of cognitive-behavioral therapeutic interventions. Her patient population includes individuals who have sustained brain injury, cerebrovascular accident, brain tumors, dementia, and/or psychological disorders. In addition to clinical work, Dr. Clark has conducted research in traumatic brain injury, including studies of working memory in moderate to severe TBI utilizing fMRI, and exploring interventions for improving poor self-awareness after brain injury. Publications and presentations include research on neuropsychological assessment, neuroimaging, MTBI and PTSD in veterans, and capacity issues.

Clinical areas of focus

  • Dementia
  • Depression And Anxiety Assessments
  • Executive Function Disorder
  • Neurocognitive Disorder Due To Multiple Etiologies
  • Neurocognitive Disorder Due To Traumatic Brain Injury
  • Neuropsychological Assessment
  • Parkinsons Disease Pd
  • Sports Related Concussion Testing
  • Stroke Rehabilitation
  • Traumatic Brain Injury Therapy
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Conditions and procedures

Conditions I treat

  • Adjustment Disorder
  • Alzheimers Disease
  • Anxiety
  • Behavioral Disorders
  • Brain Neoplasms
  • Cerebrovascular Accident Cva
  • Dementia
  • Depression
  • Dual Diagnosis
  • Executive Function Disorder
  • Grief
  • Mood Disorders
  • Neurocognitive Disorder Due To Multiple Etiologies
  • Neurocognitive Disorder Due To Traumatic Brain Injury
  • Parkinsons Disease Pd
  • Post Traumatic Stress Disorder
  • Suicidal Ideation
  • Traumatic Brain Injury
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Procedures I perform

  • Acceptance And Commitment Therapy
  • Brain Injury Rehabilitation
  • Cognitive Behavioral Therapy
  • Depression And Anxiety Assessments
  • Dialectical Behavioral Therapy
  • Interpersonal Psychotherapy
  • Mental Health
  • Mindfulness Based Cognitive Therapy
  • Neuropsychological Assessment
  • Positive Psychology
  • Sports Related Concussion Testing
  • Stroke Rehabilitation
  • Traumatic Brain Injury Therapy
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Practice locations

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102 Irving Street Northwest
Washington, DC, 20010


Fax 844-606-5117

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miles away

Fax 844-606-5117


Other Certification: American Board of Professional Psychology, -

Fellowship Program: MedStar National Rehabilitation Hospital (2012)

Internship Program: VA Maryland Health Care System (2010)

Graduate Education: University of Kentucky (2010)

News and publications

Berry, D.T.R., Schipper, L.J., & Clark, J.A. (2012). Detection of feigning of head injury symptoms on the MMPI-2. In C.R. Reynolds & A. MacNeill Horton, Jr. (Eds.) Detection of malingering during head injury litigation (2nd Ed.). New York: Plenum Press.

Wolfe, P.L. & Clark, J.A. (2011). Driving capacity. In G.J. Demakis (Ed.) Civil Capacities in Clinical Neuropsychology: Research findings and practical applications (National Academy of Neuropsychology series on evidence-based practices). New York: Oxford University Press.

Jasinski, L.J., Berry, D.T.R., Shandera, A., & Clark, J.A. (2011). Use of the Digit Span test for detecting malingered neurocognitive dysfunction: A Meta-Analysis. Journal of Clinical and Experimental Neuropsychology, 33, 300-314.

High, W., Briones-Galang, M., Clark, J., Gilkison, C., Mossberg, K., Zqaljardic, D., Masel, B., & Urban, R. (2010). Effect of growth hormone replacement therapy on cognition after traumatic brain injury. Journal of Neurotrauma, 1565-1575.

Shandera, A.L., Berry, D.T.R., Clark, J.A., Schipper, L.J., Graue, L.O., & Harp, J.P. (2010). Detecting Malingered Mental Retardation. Psychological Assessment.

Berry, D.T.R., Sollman, M.J., Schipper, L.J., Clark, J.A., & Shandera, A.L. (2009). Assessment of feigned psychological symptoms. In J.N. Butcher (Ed.) Oxford handbook of personality assessment. New York: Oxford University Press.

Alwes, Y.R., Clark, J.A., Berry, D.T.R., & Granacher, R.P. (2008). Screening for feigning in a civil forensic setting, Journal of Clinical and Experimental Neuropsychology, 30, 133-140.

Schipper, L.J., Berry, D.T.R., Coen, E., Clark, J.A. (2008). Cross-validation of a manual form of the Letter Memory Test using a known-groups methodology. The Clinical Neuropsychologist, 22, 345-349.

Vagnini, V., Berry, D., Clark, J., & Jiang, Y. (2008). New measures to detect malingered neurocognitive deficit: Applying reaction time and event-related potentials. Journal of Clinical and Experimental Neuropsychology, 30(7), 766-776.

Graue, L. O., Berry, D. T. R., Clark, J. A., Sollman, M. J., Cardi, M., Hopkins, J. & Werline, D. (2007). Identification of feigned mental retardation using the new generation of malingering detection instruments: Preliminary findings. The Clinical Neuropsychologist, 20(6), 929-942.

Jiang, Y., Vagnini, V., Clark, J., Zhang, Q. (2007). Reduced sensitivity of affective mismatch in older adults. TheScientificWorldJOURNAL, 7, 115.

Vagnini, V. L., Sollman, M. J., Berry, D. T. R., Granacher. R. P., Clark, J. A., Burton, R., O’Brien, M., Bacon, E. & Saier, J. (2006).  Known-groups cross-validation of the Letter Memory Test in a compensation-seeking mixed neurologic sample.  The Clinical Neuropsychologist. 20(2), 289-304.