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

Pocobelli G, Lykken J, Haas JS, Tiro J, Doria-Rose VP, Hyun N, Silver MI, Kamineni A, Chubak J Positive predictive value of cervical cancer screening results recommended for colposcopy by human papillomavirus vaccination status at 3 U.S. healthcare systems 2025 Nov;36(11):1549-1561 doi:10.1007/s10552-025-02039-7. doi: 10.1007/s10552-025-02039-7. Epub 2025-08-06. PubMed

Keegan THM, Abrahão R, Chubak J, Sauder CAM, Ruddy KJ, Quesenberry C, Li Q, Haupt EC, Laurent CA, Brunson AM, Casperson M, Chao C, Smitherman AB, Nichols HB, Kirchhoff AC, Kushi LH, Hahn EE Incidence of chronic medical conditions among survivors of adolescent and young adult cancer compared to a population without cancer 2025 Oct 15;131(20):e70125. doi: 10.1002/cncr.70125. PubMed

Abrahão R, Ruddy KJ, Laurent CA, Chubak J, Haupt EC, Brunson AM, Hahn EE, Chao CR, Moy LM, Wun T, Kushi LH, Keegan THM, Sauder CAM Trastuzumab therapy and new-onset hypertension in adolescents and young adults with breast cancer 2025 Aug;213(1):81-92. doi: 10.1007/s10549-025-07760-0. Epub 2025-06-27. PubMed

Lee JK, Jensen CD, Merchant SA, Chubak J, Halm EA, Corley DA, National Cancer Institute’s PROSPR Consortium Adverse Events After Surveillance Colonoscopy in Older Adults In A Large Integrated Health System in the United States 2025 May 27 doi: 10.1016/j.cgh.2025.03.028. Epub 2025-05-17. PubMed

Chubak J, Ichikawa LE, Merchant SA, Dalmat RR, Ziebell RA, Jensen CD, Lee JK, Corley DA, Ghai NR, Green BB, Skinner CS, Schottinger JE, Breslau ES, Levin TR Incidence of serious complications following screening colonoscopy in adults aged 76 to 85 years old 2025 Feb 6;34(2):281-289. doi: 10.1158/1055-9965.EPI-24-0551. Epub 2024-11-25. PubMed

Tiro JA, Lykken JM, Chen PM, Clark CR, Kobrin S, Chubak J, Feldman S, Werner C, Atlas SJ, Silver MI, Haas JS Delivering Guideline-Concordant Care for Patients With High-Risk HPV and Normal Cytologic Findings 2025 Jan 2;8(1):e2454969. doi: 10.1001/jamanetworkopen.2024.54969. Epub 2025-01-02. PubMed

Harlass M, Dalmat RR, Chubak J, van den Puttelaar R, Udaltsova N, Corley DA, Jensen CD, Collier N, Ozik J, Lansdorp-Vogelaar I, Meester RGS Optimal Stopping Ages for Colorectal Cancer Screening 2024 Dec 2;7(12):e2451715. doi: 10.1001/jamanetworkopen.2024.51715. Epub 2024-12-02. PubMed