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

Dr. Robert S. Warren, MD

Individual provider Surgery Physician · NPI 1336176015

Dr. Robert S. Warren, MD is a Surgery Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

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

1600 Divisadero St 4th Fl
San Francisco, CA 94143-0001
Phone: (415) 353-9889
Fax: (415) 353-9958
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence G64251 (CA)
Surgical Oncology Physician Taxonomy 2086X0206X · Licence G64251 (CA)

Record details

NPI number1336176015
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESJune 16, 2008

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