Jessica Chubak, PhD
“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
Jessica.Chubak@kp.org
206-287-2556
Animal-assisted interactions research on Facebook
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
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Cancer
Epidemiology; colorectal cancer; medication use; survivorship; recurrence; secondary prevention; quality of life; automated data collection; screening; animal-assisted activities; survivorship
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Health Services & Economics
Screening
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Medication Use & Patient Safety
Cancer risk and use of common medications
Recent publications
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 Apr;35(4):637-646 doi:10.1158/1055-9965.EPI-25-0912. doi: 10.1158/1055-9965.EPI-25-0912. Epub 2026-01-13. 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 Mar 25 doi: 10.1158/1055-9965.EPI-25-0697. Epub 2026-03-25. PubMed
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
Clark CR, Lykken JM, Chen PM, Haas JS, Feldman S, Ahn C, Gu CA, Kobrin S, Silver MI, Atlas SJ, Chubak J, Tiro JA Barriers to the Equitable Implementation of Risk-Based Cervical Cancer Management Guidelines 2026 Feb;41(3):759-766 doi:10.1007/s11606-025-09611-6. doi: 10.1007/s11606-025-09611-6. Epub 2025-05-30. 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
Research
Study measures risks of screening colonoscopies for older adults
The findings can help guide colorectal cancer screening decisions later in life.
Research
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
Improving cancer prevention and early detection
How KPWHRI is contributing to better cancer screening and better outcomes for patients.
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