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

Individual provider Optometrist · NPI 1912996034

Dr. William Joseph Steiner, OD is an Optometrist in San Mateo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2005
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

194 Hillsdale Mall
San Mateo, CA 94403-3409
Phone: (650) 341-8080
Fax: (650) 341-8565
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 07066 (CA)

Record details

NPI number1912996034
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorYes
NPI enumeratedOctober 20, 2005
Last updated in NPPESMarch 27, 2012

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