Physician Profile

Vincent P. O'Brien Guerrero, MD, MBA

Unclaimed Profile

About Dr. O'brien Guerrero

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Specialty

Family Medicine (Primary)

Credentials & Licensing

CA licenseA182105
NPI1114586583
NPI issued06/10/2019

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

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

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 is Dr. O'Brien Guerrero's specialty?

Dr. O'Brien Guerrero is a family doctor in Placerville, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where can I find Dr. O'Brien Guerrero?

Dr. O'Brien Guerrero is listed at 4212 Missouri Flat Rd, Placerville, CA 95667. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. O'Brien Guerrero?

The number on file is (530) 621-7700. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. O'Brien Guerrero?

Dr. O'Brien Guerrero's National Provider Identifier is 1114586583. 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 much experience does Dr. O'Brien Guerrero have?

Dr. O'Brien Guerrero has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Dr. O'Brien Guerrero's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien Guerrero. 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.