As per Washington state guidance, masks are required regardless of vaccination status in all of our facilities. Please be aware that if you do not have a mask when you arrive we can provide one for you or reschedule your appointment. Exposure to someone that has tested positive for COVID requires a 14 day wait time regardless of vaccination status or a negative test before being seen in person. We appreciate your understanding!

Guardant Blood Test

Evaluation of ctDNA LUNAR test in average patient screening.

  • Male or female 65 + undergoing screening colonoscopy
  • Has not had a colonoscopy within 9 years
  • $50 stipend for blood draw up to 60 days prior to prep

If you are interested in participating in clinical studies, please send an email to

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