Jessica Chubak, PhD

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“My research focuses on improving cancer control by finding effective ways to get screened for cancer and to navigate treatment and survivorship.”

Jessica Chubak, PhD

Senior Investigator, Kaiser Permanente Washington Health Research Institute

Biography

Jessica Chubak, PhD, is an epidemiologist who works to improve cancer diagnosis, treatment, control, and survivorship. Dr. Chubak’s methodological research focuses on the use of administrative and electronic health record data in epidemiologic and health services studies.

Dr. Chubak joined KPWHRI in 2007, bringing expertise in epidemiologic methods, pharmacoepidemiology, and cancer. Awarded a Fulbright graduate student grant, she pursued her master's degree in bioethics and health law in New Zealand before completing her PhD in Epidemiology at the University of Washington (UW). Dr. Chubak is an affiliate professor in the Department of Epidemiology at the UW School of Public Health, where she enjoys teaching and working with students.

Research interests and experience

 

Recent publications

Jones SMW, Keegan THM, Hahn EE, Nichols HB, O'Meara ES, Figueroa Gray M, Wernli KJ, Sauder CAM, Kirchhoff AC, Laurent CA, Kushi LH, Chubak J Test-Retest Reliability and Mode Effects on Single-Item and Multi-Item Measures in a Survey of Adolescent and Young Adults with Cancer 2026 Oct;15(5):340-346 doi:10.1177/21565333251414792. doi: 10.1177/21565333251414792. Epub 2026-01-12. PubMed

Del Vecchio NJ, Doria-Rose VP, Todd KW, Rendle KA, Chubak J, Halm EA, Alonge OD, Issaka RB, Neslund-Dudas C, Honda S, Ziebell RA, Li CI, Zheng Y, Hughes AE, Ritzwoller DP, Corley DA Impacts of a Public Health Emergency on Cancer Testing Rates, Follow-up, and Cancer Diagnosis: an Evaluation of the COVID-19 Pandemic 2026 Sep;35(9):1527-1534 doi:10.1158/1055-9965.EPI-26-0292. doi: 10.1158/1055-9965.EPI-26-0292. Epub 2026-06-03. PubMed

Shapiro LN, Arthur KC, Hansell LD, Brandzel S, Chubak J, White LL, Clennin M, Oshiro C, Honda SA, Kolevska T, McKinney M, Figueroa Gray M Timeliness, Coordination, Clarity, and Kindness: Patients' Interpretations of Provider Actions as Indicators of Quality Cancer Care 2026 Aug 27 doi: 10.7812/TPP/26.060. Epub 2026-08-27. PubMed

Mukherjee A, Xu L, Getahun D, Chubak J, Figueiredo JC, Cannavale KL, Gilfillan AD, Wu BU, Chao CR Association of high birth weight with risk of early-onset colorectal cancer 2026 Aug 11 doi: 10.1158/1055-9965.EPI-25-1658. Epub 2026-08-11. PubMed

Chubak J, Ichikawa L, Ziebell RA, Udaltsova N, Corley DA, Ghai NR, Lee JK, Halm EA, Skinner CS, Quesenberry C, Schottinger JE, Levin TR Positive predictive value of symptoms for early-onset colorectal cancer 2026 Aug 3;35(8):1276-1282 doi:10.1158/1055-9965.EPI-25-0697. doi: 10.1158/1055-9965.EPI-25-0697. Epub 2026-03-25. PubMed

Halm EA, Nair R, Skinner CS, Hu E, Lykken JM, Green B, Jensen CD, Levin TR, Schottinger J, Ghai NR, Corley DA, Chubak J Longitudinal adherence with stool-based testing for colorectal cancer screening in four US health systems 2026 Jun 19 doi: 10.1016/j.cgh.2026.06.019. Epub 2026-06-19. PubMed

Oshiro CE, Cushing-Haugen KL, Vecchio NJD, Alonge OD, Ghai NR, Green BB, Honda SA, Neslund-Dudas C, Ritzwoller DP, Skinner CS, Tao M, Vachani A, Chubak J, Corley DA, Haas JS, Li CI, Tiro JA, Rendle KA Body Mass Index and Initiation of Cancer Screening: A Closer Look at Differences by Race, Ethnicity, and Sex in a Multi-Center Population 2026 May 25 doi: 10.1016/j.amepre.2026.108434. Epub 2026-05-25. PubMed

 

Research

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Study measures risks of screening colonoscopies for older adults

The findings can help guide colorectal cancer screening decisions later in life.

Research

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Study sheds light on needs of young people with cancer

Understanding emergency department use among adolescent and young adult cancer survivors can help address care gaps.

Research

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Improving cancer prevention and early detection

How KPWHRI is contributing to better cancer screening and better outcomes for patients.