Provider Profile

Greyson J. Buen

Unclaimed Profile

About Greyson Buen

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Specialty

Addiction & Substance Abuse Counselor (Primary)

Credentials & Licensing

OR licenseT-25-6065
NPI1487513990
NPI issued01/20/2026

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

What kind of doctor is Greyson J. Buen?

Greyson J. Buen is an addiction & substance abuse counselor in Portland, OR. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Greyson J. Buen's address?

Greyson J. Buen is listed at 411 Ne 19Th Ave, Portland, OR 97232. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Greyson J. Buen?

The number on file is (971) 386-2126. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Greyson J. Buen's NPI number?

Greyson J. Buen's National Provider Identifier is 1487513990. 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 Greyson J. Buen confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Greyson J. Buen. 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.