Physician Profile
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Source: NPPES NPI Registry
101 S SAN MATEO DR STE 306
San Mateo, CA 94401
Andrew S. Williams is an eye doctor in San Mateo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Andrew S. Williams is listed at 101 S San Mateo Dr Ste 306, San Mateo, CA 94401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (650) 696-7070. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Andrew S. Williams's National Provider Identifier is 1528075389. 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
Andrew S. Williams has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Andrew S. Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.