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Wayne Keiser, MD
Practice accepting new patients.

Wayne Keiser, MD

(707) 528-1050
Primary Specialties
  • Hematology
  • Oncology - Medical
  • Hematology-Oncology
Medical Groups & Affiliations
  • St. Joseph Health Medical Group

Primary Office

St. Joseph Health Medical Group
3555 Round Barn Cir.
Santa Rosa, CA 95403
(707) 528-1050
(707) 525-3874
Mon - Fri
Web Page:

Physician Bio

Dr. Keiser graduated from the University of Illinois with a Bachelors Degree in Chemistry. He attended Stanford Medical School where also completed his residency work and has a fellowship from Yale University in Medical Oncology.

Dr. Keiser joined Redwood Regional Medical Group in 1977 and presently serves as Principal Investigator for Redwood's gastrointestinal clinical trials. He also is President of the Association of Northern California Oncologists (ANCO).

Dr. Keiser is also on Medical Staff at all local hospitals in Santa Rosa and surrounding cities, including Petaluma, Lakeport, Sonoma and Ukiah.


  • Medical School:
    Stanford University School of Medicine - Stanford, CA
  • Internship:
    Stanford University School of Medicine - Stanford, CA
  • Residency:
    Stanford University School of Medicine - Stanford, CA
  • Fellowship:
    Yale University School of Medicine
  • Board Certified in Hematology
  • Board Certified in Oncology - Medical
  • Board Certified in Hematology-Oncology


Dr. Keiser is a member of the following professional organizations:

- Board of Directors, Association ofNorthern California Oncologists (ANCO)
- California Medical Association
- Sonoma County Medical Association
- American Society of Clinical Oncology

Areas of Expertise

Medical Oncology