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Edit this profileAt a glance
- 3501 Fillmore St Apt 301, San Francisco, CA 94123
About Dr. Fay
Based in San Francisco, CA, William W. Fay, DDS is listed in the NPI registry under orthodontics. NPI 1841351376 identifies this record in the national registry.
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
- (415) 994-1188
- Email not available
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Practice Locations
3501 FILLMORE ST APT 301
San Francisco, CA 94123
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Common questions
What is Dr. Fay's specialty?
Dr. Fay is an orthodontics in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Fay?
Dr. Fay is listed at 3501 Fillmore St Apt 301, San Francisco, CA 94123. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fay?
The number on file is (415) 994-1188. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Fay's NPI number?
Dr. Fay's National Provider Identifier is 1841351376. 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. Fay been practicing?
Dr. Fay 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. Fay confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fay. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.