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.
Epidemiology; colorectal cancer; medication use; survivorship; recurrence; secondary prevention; quality of life; automated data collection; screening; animal-assisted activities; survivorship
Screening
Cancer risk and use of common medications
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
Dang TH, Rieu-Werden ML, Kobrin SC, Tiro JA, Werner C, Lykken JM, Chubak J, Atlas SJ, Higashi RT, Lee SC, Haas JS, Skinner CS, Silver MI, Feldman S Association Between Clinician Confidence and Making Guideline-Recommended Decisions in the Management of Abnormal Cervical Cancer Screening Results 2024 Dec;39(16):3217-3224. doi: 10.1007/s11606-024-08943-z. Epub 2024-07-25. PubMed
Hahn EE, Munoz-Plaza CE, Jensen CD, Ghai NR, Pak K, Amundsen BI, Contreras R, Cannizzaro N, Chubak J, Green BB, Skinner CS, Halm EA, Schottinger JE, Levin TR Patterns of Care Following a Positive Fecal Blood Test for Colorectal Cancer: A Mixed Methods Study 2024 Dec;39(16):3205-3216. doi: 10.1007/s11606-024-08764-0. Epub 2024-05-21. PubMed
The findings can help guide colorectal cancer screening decisions later in life.
Understanding emergency department use among adolescent and young adult cancer survivors can help address care gaps.
How KPWHRI is contributing to better cancer screening and better outcomes for patients.