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

Steven Grant Deeks, MD

Individual provider Medical Oncology Physician · NPI 1073604666

Steven Grant Deeks, MD is a Medical Oncology Physician in San Francisco, California. Works from 2 locations. Licensed in California.

Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

513 Parnassus Ave
San Francisco, CA 94143-2205
Phone: (415) 476-9362
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 995 Potrero Avenue, San Francisco, CA 94110-3518 — (415) 476-4082

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence G73895 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G73895 (CA)

Record details

NPI number1073604666
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESApril 28, 2026
Certification dateApril 28, 2026

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