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A. SYDNEY WILLIAMS AND ASSOCIATES
NPI 1568575959
Ophthalmology in San Francisco, CA

Active since August 17, 2006
45 CASTRO ST STE 318, SAN FRANCISCO, CA 94114(415) 431-9555(415) 431-9251 Get Directions Write a Review

NPPES record last updated: August 13, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About A. Sydney Williams And Associates NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

A. SYDNEY WILLIAMS AND ASSOCIATES (NPI 1568575959) is a healthcare organization registered as an ophthalmology in San Francisco, California and active in the NPI registry since August 2006. The organization lists Andrew Sydney Williams, Sole Proprietor, as its authorized official.

NPPES Registry Identity

NPI1568575959
Entity TypeOrganization
Primary Taxonomy207W00000X
Legal Business NameANDREW S WILLIAMS M D
Location Address45 CASTRO ST STE 318San Francisco, CA 94114-1019
Mailing Address45 Castro St Ste 318San Francisco, CA 94114-1019 · (415) 431-9555 · Fax (415) 431-9251
Phone(415) 431-9555
Fax(415) 431-9251
Organization SubpartNo
Authorized OfficialAndrew Sydney WilliamsSole Proprietor · (415) 431-9555
Enumeration DateAugust 17, 2006
Last NPPES UpdateAugust 13, 2015
✔ NPI 1568575959 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in CA · I03555✔ Licensed in CA · B75077
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
Also ListedOptometristTaxonomy 152W00000X · License U80826 (CA)
45 CASTRO ST STE 318, San Francisco, CA 94114
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Other Names 1

Other NameA. Sydney Williams And Associates

Other Identifiers 7

OtherZZZ03605ZCA · Group Medicare Id
Medicare UPINB75077CA
Medicare ID-Type Unspecified00A867983CA
Medicare UPINU80826CA
Medicare UPINI03555CA
Medicare ID-Type Unspecified00G568631CA
Medicare ID-Type UnspecifiedSD0111981CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew S Williams M D's NPI number?

The NPI number for Andrew S Williams M D is 1568575959. It was assigned to this organization in the NPPES registry on August 17, 2006. The provider is also known as A. Sydney Williams And Associates.

Where is Andrew S Williams M D located?

Andrew S Williams M D is located at 45 Castro St Ste 318, San Francisco, CA 94114. The listed phone number is (415) 431-9555.

What is Andrew S Williams M D's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Andrew S Williams M D was last updated on August 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.