Skip to main content
Katherine Ruffner, MD, Oncology, Seattle, WA

KatherineRuffnerMD

Oncology Seattle, WA

Hematologic Oncology

President and Principal, Gryphon Oncology, LLC

Dr. Ruffner is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

  • Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

See Dr. Ruffner's full profile

Already have an account?

  • Office

    3213 W Wheeler St
    #427
    Seattle, WA 98199
    Phone+1 949-637-0256

Education & Training

  • Fred Hutch Cancer Research Center
    Fred Hutch Cancer Research Center1998 - 2001
  • University of Michigan
    University of MichiganResidency, Internal Medicine, 1995 - 1998
  • University of Tennessee Health Science Center College of Medicine
    University of Tennessee Health Science Center College of MedicineClass of 1995

Certifications & Licensure

  • TN State Medical License
    TN State Medical License 2001 - 2015
  • CA State Medical License
    CA State Medical License 2008 - 2012

Clinical Trials

Publications & Presentations

PubMed

Press Mentions

  • Cardiff Oncology : Announces Departure of Chief Medical Officer - Form 8-K
    Cardiff Oncology : Announces Departure of Chief Medical Officer - Form 8-KApril 12th, 2022
  • Cardiff Oncology Announces Departure of Chief Medical Officer
    Cardiff Oncology Announces Departure of Chief Medical OfficerApril 12th, 2022
  • Cardiff Oncology Announces the Appointments of Katherine L. Ruffner, M.D., as Chief Medical Officer and James E. Levine as Chief Financial Officer
    Cardiff Oncology Announces the Appointments of Katherine L. Ruffner, M.D., as Chief Medical Officer and James E. Levine as Chief Financial OfficerJuly 12th, 2021