Provider Profile
Joanna Harris
Unclaimed ProfileAbout Joanna Harris
No biography has been added yet. Is this you? Claim this profile to add one.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (510) 690-1330
- Email not available
Practice Locations
4537 EDWARDS LN
Castro Valley, CA 94546
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 mental health counselors at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 7 related providers in 1 group
Common questions
What does Joanna Harris specialize in?
Joanna Harris is a mental health counselor in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Joanna Harris located?
Joanna Harris is listed at 4537 Edwards Ln, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joanna Harris's phone number?
The number on file is (510) 690-1330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Joanna Harris's NPI number?
Joanna Harris's National Provider Identifier is 1255037206. 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 Joanna Harris been practicing?
Joanna Harris 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 Joanna Harris confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Joanna Harris. 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.