Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Christopher Benyunes, MD

Individual provider Medical Oncology Physician · NPI 1538418298

Dr. Mark Christopher Benyunes, MD is a Medical Oncology Physician in South San Francisco, California. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Dna Way Mailstop 444B
South San Francisco, CA 94080-4918
Phone: (650) 225-1628
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD00026459 (WA)

Record details

NPI number1538418298
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 9, 2012
Last updated in NPPESSeptember 9, 2012

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