Provider Profile

Erin Brennan

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About Erin Brennan

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Specialty

Credentials & Licensing

NPI1750226890
NPI issued04/23/2026

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.

Common questions

Where is Erin Brennan located?

Erin Brennan is listed at 600 W Santa Ana Blvd Ste 1100, Santa Ana, CA 92701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Erin Brennan's phone number?

The number on file is (800) 930-5773. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Erin Brennan's NPI number?

Erin Brennan's National Provider Identifier is 1750226890. 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

Has Erin Brennan confirmed this information?

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