Marie E. Barnett, PhD


Memorial Sloan Kettering psychologist Marie Barnett
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About Me

As a clinical psychologist, I specialize in helping children, teens, and young adults with cancer, along with their caregivers. I emphasize patient- and family-centered care. I work with patients and their families at all points on their cancer journey, including during treatment, throughout survivorship, and at the end of life.

I have expertise in easing anxiety and depression so my patients can deal with the challenges and changes that come along with a cancer diagnosis. I help them develop effective coping skills and improve their overall resilience and quality of life. I work closely with my patients’ care teams to provide the highest standard of care.

My research looks at developing screening processes to identify young patients and families who might benefit from social and emotional care. I am interested in understanding how teens and young adults find meaning in their cancer experiences and how current treatments could be adapted for pediatric palliative care and end-of-life decision-making.

I am a member of the American Psychological Association, American Psychosocial Oncology Society, and the Association of Psychologists in Academic Health Centers.

I am continually inspired and humbled by my patients and their families. In many ways, cancer becomes an indelible aspect of a patient’s and family’s life. Part of my responsibility is to help patients and their families build the confidence to tell their own stories, to embrace the unknowns of treatment, and to identify their new normal.

  • Clinical Expertise: Clinical Psychology for Children, Adolescents, Adults, and Family-Systems; Psycho-Oncology; Behavioral Medicine; Patient-Centered and Family-Focused Care; Evidence-Based Interventions; Cognitive-Behavioral Therapy
  • Languages Spoken: English
  • Education: PhD, Adelphi University
  • Residencies: Columbia University Medical Center, NewYork-Presbyterian Hospital
  • Fellowships: Psycho-Oncology - Memorial Sloan Kettering Cancer Center; Pediatric Psycho-Oncology - Columbia University Medical Center, NewYork-Presbyterian Hospital
  • Board Certifications: Clinical Psychology

See My Colleagues


McDonnell, G.A., Salley, C.G., Barnett, M., DeRosa, A.P., Werk, R.S., Hourani, A., Hoekstra, A.B., & Ford, J.S. (2017). Anxiety among adolescent survivors of pediatric cancer: A systematic review. Journal of Adolescent Health. PMID: 28729145

Barnett, M., McDonnell, G., DeRosa, A., Schuler, T., Philip, E., Peterson, L. Touza, T., Jhanwar, S., Atkinson, T.M., & Ford, J.S. (2016). Psychosocial outcomes and interventions among cancer survivors diagnosed during adolescence and young adulthood: A systematic review. Journal of Cancer Survivorship, 1-18.

Barnett, M., Shuk, E., Conway, F., & Ford, J.S. (2014). Cancer-related disclosure among adolescent and young adult cancer survivors: A qualitative study. Journal of Adolescent and Young Adult Oncology. 3(3).

Ford, J.S., Barnett, M., & Werk, R. (2014). Health behaviors of childhood cancer survivors: Review paper. Children. 1, 355-373. 

Clinical Trials

As home to one of the world’s top cancer research centers, Memorial Sloan Kettering is typically involved in more than 900 clinical trials at a given time. Currently, clinical trials focused on the conditions I treat are enrolling new patients. If you’re interested in joining a clinical trial, click to learn about the trial’s purpose, eligibility criteria, and how to get more information.

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Most major health insurers offer plans that include MSK as one of their in-network providers. If MSK is in-network, it means all our doctors are too. Medicare and New York State Medicaid also provide benefits for care at MSK.

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