Provider Profile
Garry Williamson
Unclaimed ProfileAbout Garry Williamson
No biography has been added yet. Is this you? Claim this profile to add one.
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (510) 533-0800
- Email not available
Practice Locations
1124 INTERNATIONAL BLVD
Oakland, CA 94606
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 does Garry Williamson specialize in?
Garry Williamson is an addiction & substance abuse counselor in Oakland, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Garry Williamson located?
Garry Williamson is listed at 1124 International Blvd, Oakland, CA 94606. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Garry Williamson's phone number?
The number on file is (510) 533-0800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Garry Williamson's NPI number?
Garry Williamson's National Provider Identifier is 1194911818. 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 Garry Williamson been practicing?
Garry Williamson has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Garry Williamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Garry Williamson. 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.