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Megan Hosey Mastalerz, Ph.D.

Photo of Dr. Megan Hosey Mastalerz, Ph.D.

Assistant Professor of Physical Medicine and Rehabilitation


Expertise: Adjustment to Chronic Illness, Chronic Pain, Critical Care , Neuropsychological Assessment and Intervention, Neuropsychology, Physical Medicine and Rehabilitation, Rehabilitation Psychology more

Research Interests: Critical Illness Survivorship; Adaptation to Inpatient Hospitalization; Anxiety Management in Hospitalized Patients


The Johns Hopkins Hospital

600 N Wolfe Street
Phipps Building, Suite 174
Baltimore, MD 21287 map
Phone: 410-614-4030
Fax: 410-614-4033


Dr. Megan Hosey is an Assistant Professor at the Johns Hopkins Department of Physical Medicine and Rehabilitation, Division of Rehabilitation Psychology and Neuropsychology.

She specializes in adjustment to chronic illness, critical illness survivorship, acute and chronic pain management, neuropsychological assessment and rehabilitation, fatigue management, and health psychology intervention. 

Dr. Hosey also serves as an attending psychologist on the Comprehensive Integrated Inpatient Rehabilitation Program (CIIRP) and provides consultation on the Medical Intensive Care Unit (MICU). Her outpatient practice consists of working with patients who have chronic pain, mobility impairments and/or chronic medical conditions.

Dr. Hosey also supervises graduate students and post-doctoral fellows, collaborates in research on CIIRP and MICU, and participates in the Outcomes After Critical Illness and Surgery (OACIS) research group. more


  • Assistant Professor of Physical Medicine and Rehabilitation



  • Johns Hopkins University School of Medicine / Psychology (2014)

Research & Publications

Research Summary

At Johns Hopkins, Dr. Hosey participates in clinical research designed to support the long-term functional outcomes of survivors of critical illness. 

Selected Publications

View all on Pubmed

Wendell CR, Zonderman AB, Katzel LI, Rosenberger WF, Plamadeala VV, Hosey MM, Waldstein SR. Nonlinear associations between plasma cholesterol levels and neuropsychological function. Neuropsychology. 2016 Nov;30(8):980-987. PMID: 27280580

Sims RC, Hosey M, Levy SA, Whitfield KE, Katzel LI, Waldstein SR. Distinct functions of social support and cognitive function among older adults. Exp Aging Res. 2014;40(1):40-59. doi: 10.1080/0361073X.2014.857551. PMID: 24467699

Kortte KB, Stevenson JE, Hosey MM, Castillo R, Wegener ST. Hope predicts positive functional role outcomes in acute rehabilitation populations. Rehabil Psychol. 2012 Aug;57(3):248-55. doi: 10.1037/a0029004. PMID: 22946612

Karpiak C, Buchanan JP, Hosey MM, Smith, A. University students from single – sex and coeducational high schools: Differences in attitudes and majors at a Catholic university. Psychology of Women Quarterly, 31, 282 – 289.

Wendell CR, Hosey MM, Lefkowitz DM, Katzel LI, Siegel EL, Rosenberger WF, Waldstein SR. Depressive symptoms are associated with subclinical cerebrovascular disease among healthy older women, not men. Am J Geriatr Psychiatry. 2010 Oct;18(10):940-7. doi: 10.1097/JGP.0b013e3181d57a2b. PMID: 20808084

Academic Affiliations & Courses

Courses and Syllabi

  • Stress Management and Burnout Prevention in Medical Professionals
    Medical Grand Rounds
    MedStar National Rehabilitation Hospital
  • Motivating Health Behavior Change in Patients
    Medical Student Selective
    Johns Hopkins School of Medicine
  • Experimental Psychology: Design and Analysis I
    University of Maryland, Baltimore County

Activities & Honors


  • Lawrence Lennon Award for Contributions in Psychology, The University of Scranton, 2005 - 2005
  • Senior Psychology Resident, Department of Physical Medicine and Rehabilitation, Johns Hopkins School of Medicine, 2013 - 2014


  • American Psychological Association

    Division 20 – Adult Development and Aging; Division 22 – Rehabilitation Psychology; Division 38 – Health Psychology.

  • Society of Behavioral Medicine

Professional Activities

  • Volunteer Coordinator, American Psychological Association Division 22, 2015

Videos & Media

Recent News Articles and Media Coverage

Animal-assisted intervention in the ICU: a tool for humanization | Cirtical Care (February 2018)

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