Provider Profile
Diane H. Williams, OD
Unclaimed ProfileAbout Dr. Williams
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (925) 837-5922
- Email not available
Practice Locations
909 SAN RAMON VALLEY BLVD SUITE 114
Danville, CA 94526
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other optometrists in Danville 4
Same specialty, same city.
Common questions
What kind of doctor is Dr. Williams?
Dr. Williams is an optometrist in Danville, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Williams's address?
Dr. Williams is listed at 909 San Ramon Valley Blvd Suite 114, Danville, CA 94526. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Williams?
The number on file is (925) 837-5922. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Williams's NPI number?
Dr. Williams's National Provider Identifier is 1790746238. 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 Dr. Williams been practicing?
Dr. 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
Has Dr. Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. 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.