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

Individual provider Anesthesiology Physician · NPI 1174560940

David Ray Holtzclaw, MD is an Anesthesiology Physician in Hillsborough, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

3640 Ralston Ave
Hillsborough, CA 94010-6734
Phone: (650) 218-3801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence G37301 (CA)

Record details

NPI number1174560940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2006
Last updated in NPPESFebruary 6, 2014

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