Provider Profile
Justin Castello, PhD
Unclaimed ProfileAbout Dr. Castello
Justin Castello, PhD is a psychologist — clinical based in Berkeley, CA. Justin is also listed as specializing in psychologist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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) 643-5808
- Email not available
Practice Locations
2222 BANCROFT WAY # MC4300
Berkeley, CA 94720
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 Justin Castello?
Justin Castello is a psychologist in Berkeley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
What is Justin Castello's address?
Justin Castello is listed at 2222 Bancroft Way # Mc4300, Berkeley, CA 94720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Justin Castello?
The number on file is (510) 643-5808. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Justin Castello's NPI number?
Justin Castello's National Provider Identifier is 1912364720. 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 Justin Castello been practicing?
Justin Castello has 10+ years experience. Registered with an NPI since 2016. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Justin Castello confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Justin Castello. 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.