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William Stiers, PhD

Director of Psychology Training, Department of Physical Medicine and Rehabilitation
Associate Professor of Physical Medicine and Rehabilitation

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Good Samaritan Professional Building

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  • Director of Psychology Training, Department of Physical Medicine and Rehabilitation
  • Associate Professor of Physical Medicine and Rehabilitation


Adjustment to Chronic Illness, Brain Injury Rehabilitation, Cognitive Rehabilitation, Cognitive Testing, Dementia, Depression, Memory Disorders, Multiple Sclerosis Rehabilitation, Neurologic Rehabilitation, Neuropsychology, Psychologist, Rehabilitation Psychology, Stroke Rehabilitation, Traumatic Brain Injury

Research Interests

Brain Injury Rehabilitation; Measurement of training outcomes; Neuropsychology; Rehabilitation Psychology


Dr. Williams Stiers is an associate professor of physical medicine and rehabilitation at the Johns Hopkins University School of Medicine. He is a fellowship-trained rehabilitation psychologist and neuropsychologist who specializes in the clinical evaluation and treatment of persons with brain injuries and physical disabilities. He is board certified in rehabilitation psychology and is a licensed psychologist.

Dr. Stiers serves as the director of psychology training for the Department of Physical Medicine and Rehabilitation.

Patients are referred to Dr. Stiers for the assessment, diagnosis and treatment of brain-related injury or illness, including cognitive problems, emotional problems, adjustment issues, difficulty with thinking and memory, difficulty with daily function/activities, behavior and self management issues, and control of behavior.

Dr. Stiers completed his doctoral degree in counseling psychology at Northwestern University, and then worked as a senior research health scientist in Health Services Research at the Department of Veterans Affairs. His work there involved health services outcomes research, program evaluation and multisite clinical trials. He later completed a two-year post-doctoral clinical fellowship in rehabilitation psychology and neuropsychology at the University of Michigan, then served in the Department of Rehabilitation Medicine at the University of Kansas Medical Center .

His research interests include the education and training of rehabilitation professionals.

He has completed 17 journal publications, five book chapters, 11 refereed national conference presentations and eight invited national and international conference presentations. He has also received more than $4.5 million in grant funding.

Dr. Stiers has served as a grant reviewer and study section member for the Department of Veterans Affairs Rehabilitation Research and Development and the National Institute for Disability and Rehabilitation Research. He has served as an editorial board member for Rehabilitation Psychology and The Clinical Neuropsychologist, and as an ad-hoc manuscript reviewer for Archives of Physical Medicine, Journal of Head Trauma Rehabilitation and Journal of Gerontology: Social Sciences. He was an item writer for the Examination for Professional Practice in Psychology.

He has served as an executive board member for the American Psychological Association Division 22 Rehabilitation Psychology, including a term as president. He also served on a study committee for the National Academy of Science, and has been selected as a Fulbright Senior Specialist.


  • English


American Psychological Association (APA)
APA Division of Rehabilitation Psychology
APA Division of Neuropsychology
National Register of Health Service Providers in Psychology

Additional Resources

Additional Resources +
  • Education +


    • Northwestern University (Evanston IL ) (1988)


    • University of Michigan Health System (Ann Arbor MI ) (1993)


    • Rehabilitation Psychology, American Board of Professional Psychology (2008)
  • Research & Publications +

    Selected Publications View all on PubMed


    Frequency and cost of claims by injury type from a state workers' compensation fund from 1998 through 2008.
    Mroz TM, Carlini AR, Archer KR, Wegener ST, Hoolachan JI, Stiers W, Shore RA, Castillo RC.  
    Arch Phys Med Rehabil. 2014 Jun;95(6):1048-1054.e6. doi: 10.1016/j.apmr.2013.11.025. Epub 2014 Jan 28.

    Guidelines for postdoctoral training in rehabilitation psychology.
    Stiers W, Hanson S, Turner AP, Stucky K, Barisa M, Brownsberger M, Van Tubbergen M, Ashman T, Kuemmel A; Council of Rehabilitation Psychology Postdoctoral Training Programs.
    Rehabil Psychol. 2012 Nov;57(4):267-79. doi: 10.1037/a0030774.

    Measurement of social participation outcomes in rehabilitation of veterans with traumatic brain injury.
    Stiers W, Carlozzi N, Cernich A, Velozo C, Pape T, Hart T, Gulliver S, Rogers M, Villarreal E, Gordon S, Gordon W, Whiteneck G.
    J Rehabil Res Dev. 2012;49(1):139-54.

    Cognitive outcome following traumatic brain injury.
    Dikmen SS, Corrigan JD, Levin HS, Machamer J, Stiers W, Weisskopf MG.
    J Head Trauma Rehabil. 2009 Nov-Dec;24(6):430-8. doi: 10.1097/HTR.0b013e3181c133e9.

    Training requirements and scope of practice in rehabilitation psychology and neuropsychology.
    Warschausky S, Kaufman J, Stiers W.
    J Pediatr Rehabil Med. 2008;1(1):61-5.

    Task switching after stroke.
    Pohl PS, McDowd JM, Filion D, Richards LG, Stiers W, Kluding P.
    Phys Ther. 2007 Jan;87(1):66-73. Epub 2006 Dec 19.

    Attentional abilities and functional outcomes following stroke.
    McDowd JM, Filion DL, Pohl PS, Richards LG, Stiers W.
    J Gerontol B Psychol Sci Soc Sci. 2003 Jan;58(1):P45-53.

    McPeak L, Stiers W, Cope D. Disability evaluation following traumatic brain injury. In Rondinelli R, Katz R (eds). Physical Medicine and Rehabilitation Clinics of North America. Philadelphia, PA, W. B. Saunders, 2001.

    Pohl P, McDowd J, Fillion D, Richards L, Stiers W. Implicit Learning of a Perceptual-Motor Skill After Stroke. Physical Therapy; 2001, 81(11):1780.

    McDowd J, Filion D, Pohl P, Richards L, Stiers W. Attentional abilities and functional outcomes following stroke. The Journals of Gerontology Psychological Sciences and Social Sciences; 2003, 58(1):45-53.

    Pohl P, McDowd J, Filion D, Richards L, Stiers W. Implicit learning of a motor skill after mild and moderate stroke. Clinical Rehabilitation; 2006, 20:246-253.

    Pohl P, McDowd J, Filion D, Richards L, Stiers W, Kluding P. Task switching after stroke. Physical Therapy; 2007 Jan, 87(1):66-73.

    Stiers W, Stucky K. A survey of training in rehabilitation psychology practice in the United States and Canada: 2007. Rehabilitation Psychology; 2008, 53(4):536-543

    Stiers W, Perry K, Kennedy P, Scherer M. Rehabilitation Psychology. In P. Martin, F. Cheung, M. Kyrios, L. Littlefield, M. Knowles, B. Overmier & J. Prieto (Eds.), The Handbook of Applied Psychology. 2011: Oxford, England: Wiley-Blackwell.

    Research Grants:

    Co-Investigator, Characterizing Measures of Stroke Rehabilitation Outcomes; U.S. Department of Veterans Affairs, $260,900 (19961999)

    Co-Investigator, Attention and Motor Learning Following Stroke; National Institute on Aging, $350,984 (19972002)

    Conference Co-Director, 10th Annual Conference Rehabilitation Psychology; Paralyzed Veterans of America, $4,500 (2008)

    Conference Co-Director, Facilitating Student Participation in Rehabilitation Psychology and Health Psychology; American Psychological Association, $3,150 (2008)

    Methods for Evaluation of Rehabilitation Psychology Training Programs $13,740: Paralyzed Veterans of America Conference Director (2010)

    Inaugural Meeting of the Training Council of Rehabilitation Psychology Post-Doctoral Training Programs. $30,000: Division of Rehabilitation Psychology, American Psychological Association. Conference Director (2010)

    National Consensus Conference on Post-Doctoral Training Guidelines in Rehabilitation Psychology. $3,000: Board of Educational Affairs, American Psychological Association Conference Director (2010)

  • Academic Affiliations & Courses +
  • Activities & Honors +


    Approved for candidacy on the Fulbright Specialists Roster, 2009

    Invited presentation at the 27th International Congress of Applied Psychology, Melbourne, Australia, 2010: State of the Art in Rehabilitation Psychology.

    Professional Activities

    Board Certified in Rehabilitation Psychology, American Board of Professional Psychology (2001)

    President, American Psychological Association, Division of Rehabilitation Psychology (2007-2008)

    Study Group Member, Institute of Medicine, Gulf War and Health 7: Traumatic Brain Injury (2007 - 2008)

    Item-writer, Examination for Professional Practice in Psychology (1999)
  • Videos & Media +
  • Events +
  • Contact & Locations +


    Good Samaritan Professional Building
    5601 Loch Raven Boulevard
    Suite 406
    Baltimore, MD 21239
    Phone: 443-444-4710
    Appointment Phone: 443-444-4714
    Fax: 443-444-4943
    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 443-444-4710
    Appointment Phone: 410-614-4030
    Fax: 443-769-1243
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