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Edit this profileAt a glance
- 1835 Allston Way, Berkeley, CA 94703
About Brett Hayley
Brett K. Hayley is an addiction & substance abuse counselor based in Berkeley, CA. The provider's National Provider Identifier (NPI) is 1629817762.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (510) 666-9552
- Email not available
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Practice Locations
1835 ALLSTON WAY
Berkeley, CA 94703
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 3
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 does Brett K. Hayley specialize in?
Brett K. Hayley is an addiction & substance abuse counselor in Berkeley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Brett K. Hayley located?
Brett K. Hayley is listed at 1835 Allston Way, Berkeley, CA 94703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Brett K. Hayley's phone number?
The number on file is (510) 666-9552. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Brett K. Hayley's NPI number?
Brett K. Hayley's National Provider Identifier is 1629817762. 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 Brett K. Hayley been practicing?
Brett K. Hayley has 2+ years experience. Registered with an NPI since 2024. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Brett K. Hayley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Brett K. Hayley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.