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

Pocobelli G, Del Vecchio NJ, Cushing-Haugen K, Kamineni A, Corley DA, Rendle KA, Halm EA, Li CI, Oshiro CES, Carroll NM, Silver MI, Greenlee RT, Neslund-Dudas C, Breslau ES, Chubak J Up-to-date prevalence at recommended ages for discontinuing routine colorectal, cervical and lung cancer screening 2026 Feb 16 doi: 10.1093/jnci/djag044. Epub 2026-02-16. PubMed

de Jonge L, Lansdorp-Vogelaar I, Doria-Rose VP, Portillo I, Novak Mlakar D, Buron A, Quintin C, Espinàs JA, Plaine J, Škrjanec AL, Kofol Bric T, Binefa G, Font R, Bulliard JL, Chubak J, Ziebell R, McCurdy BR, Rabeneck L, Senore C, International Cancer Screening Network Colorectal Cancer working group Global impact of COVID-19 on organized CRC screening programs: lessons learned 2026 Feb;80:102047. doi: 10.1016/j.bpg.2025.102047. Epub 2025-09-05. PubMed

Chao CR, Xu L, Wu BU, Figueiredo JC, Getahun D, Cannavale KL, Gilfillan AD, Chubak J Association between broad-spectrum antibiotic use and risk of early-onset colorectal cancer 2026 Jan 13 doi: 10.1158/1055-9965.EPI-25-0912. Epub 2026-01-13. PubMed

Brunson A, Wun T, Abrahão R, Quesenberry CP, Chubak J, Ruddy KJ, Chao CR, Hahn EE, Sauder CAM, Nichols HB, Kushi LH, Keegan THM Metastatic Recurrence Among Adolescents and Young Adults With Cancer 2026 Jan;12(1):75-83 doi:10.1001/jamaoncol.2025.4971. doi: 10.1001/jamaoncol.2025.4971. Epub 2025-11-26. PubMed

Haas JS, Todd KW, Mclerran D, Tiro JA, Vachani A, Kobrin S, Saia C, Sugg Skinner C, Zheng Y, Chubak J, Corley DA, Greenlee RT, Halm EA, Li CI Gaps in care across the cancer screening continuum for cervical, colorectal and lung cancer 2025 Dec;117(12):2556-2570 doi:10.1093/jnci/djaf248. doi: 10.1093/jnci/djaf248. Epub 2025-09-10. PubMed

Ou JY, Keegan T, Li QW, Kaddas HK, Abrahão R, Brunson A, Sauder CAM, Chubak J, Kushi LH, Hahn EE, Chao C, Nichols HB, Kirchhoff AC Identifying Patterns of Late Effects With Latent Class Analysis Among Adolescent and Young Adult Thyroid Cancer Survivors in California and Utah 2025 Dec;14(23):e71316. doi: 10.1002/cam4.71316. PubMed

Parker K, Heneghan MB, Li QW, Brunson A, Ou J, Kaddas HK, Abrahão R, Chubak J, Wernli KJ, Zebrack B, Hahn EE, Kushi LH, Nichols HB, Keegan T, Kirchhoff AC Identifying clustering in patterns of late effects among survivors of adolescent and young adult hodgkin lymphoma 2025 Nov 3;9(6) doi:10.1093/jncics/pkaf094. doi: 10.1093/jncics/pkaf094. Epub 2025-10-01. 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.