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Edit this profileAt a glance
- 194 Hillsdale Mall, San Mateo, CA 94403
About Dr. Steiner
William J. Steiner, O.D. is an optometrist based in San Mateo, CA. The provider's National Provider Identifier (NPI) is 1912996034.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (650) 341-8080
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
194 HILLSDALE MALL
San Mateo, CA 94403
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other optometrists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is William J. Steiner?
William J. Steiner is an optometrist in San Mateo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is William J. Steiner's address?
William J. Steiner is listed at 194 Hillsdale Mall, San Mateo, CA 94403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William J. Steiner?
The number on file is (650) 341-8080. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William J. Steiner's NPI number?
William J. Steiner's National Provider Identifier is 1912996034. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has William J. Steiner been practicing?
William J. Steiner has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has William J. Steiner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William J. Steiner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.