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

Andrew Sydney Williams, MD

Individual provider Ophthalmology Physician · NPI 1528075389

Andrew Sydney Williams, MD is an Ophthalmology Physician in San Mateo, California. Practices as a sole proprietor. Licensed in California.

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

101 S San Mateo Dr Ste 306
San Mateo, CA 94401-3844
Phone: (650) 696-7070
Fax: (650) 348-1314
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence G56863 (CA)

Record details

NPI number1528075389
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 2, 2006
Last updated in NPPESMarch 7, 2019
Mailing address101 S San Mateo Dr, Ste 306, San Mateo, CA 94401-3844

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