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

Curriculum vitae (CV)

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

Cancer

Epidemiology; colorectal cancer; medication use; survivorship; recurrence; secondary prevention; quality of life; automated data collection; screening; animal-assisted activities; survivorship
Health Services & Economics

Screening
Medication Use & Patient Safety

Cancer risk and use of common medications

Recent publications

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

Halm EA, Del Vecchio NJ, Rendle KA, Tiro JA, Zheng Y, Winer RL, Haas JS, Corley DA, Skinner CS, Schottinger J, Ghai NR, Chubak J Longitudinal Adherence to Screening for Colorectal, Cervical, and Lung Cancer in a US Consortium 2026 May;41(7):1761-1770 doi:10.1007/s11606-025-09835-6. doi: 10.1007/s11606-025-09835-6. Epub 2025-10-07. PubMed

Hahn EE, Haupt EC, Chawla N, Osuji TA, Shen E, Smitherman AB, Casperson M, Kirchhoff AC, Zebrack BJ, Laurent CA, Keegan THM, Abrahão R, Ruddy KJ, Chubak J, Nichols HB, Wernli KJ Transitions Within and Use of Outpatient Primary and Oncology Care in Survivors of Adolescent and Young Adult-Onset Cancers 2026 May;22(5):780-792 doi:10.1200/OP-24-00886. doi: 10.1200/OP-24-00886. Epub 2025-06-20. 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 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