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Edit this profileAt a glance
- 1035 Market St, San Francisco, CA 94103
About Derrick Williams
Derrick Williams is an addiction & substance abuse counselor based in San Francisco, CA. The provider's National Provider Identifier (NPI) is 1326731720.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (415) 487-3000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1035 MARKET ST
San Francisco, CA 94103
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other addiction & substance abuse counselors at this location 8
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What kind of doctor is Derrick Williams?
Derrick Williams is an addiction & substance abuse counselor in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Derrick Williams's address?
Derrick Williams is listed at 1035 Market St, San Francisco, CA 94103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Derrick Williams?
The number on file is (415) 487-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Derrick Williams's NPI number?
Derrick Williams's National Provider Identifier is 1326731720. 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 Derrick Williams been practicing?
Derrick Williams has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Derrick Williams confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Derrick Williams. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.