Rachel Issaka, MD, MAS

Rachel Issaka, MD, MAS

Assistant Member, Gastroenterology & Hepatology
Clinical Research Division
Assistant Professor, Department of Internal Medicine; Division of Gastroenterology
University of Washington School of Medicine
Assistant Member, Hutchinson Institute for Cancer Outcomes Research (HICOR)
Public Health Sciences Division


2001-2005 University of Wisconsin-Eau Claire (B.S. in Biology) Eau Claire, WI
2006-2010 University of Michigan (M.D.) Ann Arbor, MI
2015-2017 University of California, San Francisco, 2017 (M.A.S. in Clinical Research) San Francisco, CA

Postgraduate Training

2010-2011 Intern in Internal Medicine, McGaw Medical Center of Northwestern, Chicago, IL
2011-2013 Resident in Internal Medicine, McGaw Medical Center of Northwestern, Chicago, IL
2013-2014 Chief Medical Resident, McGaw Medical Center of Northwestern, Chicago, IL
2014-2017 Fellow in Gastroenterology, University of California, San Francisco, San Francisco, CA

Research Focus

  • Colorectal cancer screening
  • Follow-up of abnormal stool-based screening tests
  • Disparities in screening and outcomes in minority and underserved populations
  • Implementation of interventions that improve outcomes in colorectal cancer care
  • Colon cancer screening as a model for precision population health

Clinical Expertise

  • Gastroenterology
    • General gastroenterology
    • Gastrointestinal cancers
  • Internal Medicine

Current Clinical Trials

Dr. Issaka’s research focuses on: (1) understanding patient barriers and facilitators to colorectal cancer screening, (2) determining the factors that influence colonoscopy completion following abnormal stool-based screening tests, and (3) identifying gaps in care to implement interventions that improve the quality of cancer control and prevention, particularly in minority populations. 

Additional Links & Information

Related Labs & Projects

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Rachel Issaka, MD, MAS

Contact Information

(206) 667-1447
(206) 667-5977