Provider Profile

Austin Grinberg, PhD

Unclaimed Profile

About Dr. Grinberg

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Specialty

Psychologist — Clinical (Primary)

Credentials & Licensing

CA licensePSY30221
NPI1972137404
NPI issued02/24/2020

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.

Medicare information

Medicare opt-outYes, since May 2025

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Grinberg?

Dr. Grinberg is a psychologist in Chatsworth, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.

NPI registry

What is Dr. Grinberg's address?

Dr. Grinberg is listed at 21534 Devonshire St Ste I, Chatsworth, CA 91311. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Grinberg?

The number on file is (818) 208-0611. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Grinberg's NPI number?

Dr. Grinberg's National Provider Identifier is 1972137404. 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 Dr. Grinberg been practicing?

Dr. Grinberg has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Grinberg confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grinberg. 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.