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Provider Profile

Roy Guillermo

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At a glance

About Roy Guillermo

Roy Guillermo is an addiction & substance abuse counselor practicing in San Diego, CA. Roy is also listed as specializing in student in an organized health care education program. This provider record is associated with NPI 1548100456.

Factual summary compiled by Guide.md from public records; not written by this provider.

Credentials & Licensing

NPINational Provider Identifier
1548100456Issued 2026

As reported to the NPI registry ↗

Common questions

What does Roy Guillermo specialize in?

Roy Guillermo is an addiction & substance abuse counselor in San Diego, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Roy Guillermo located?

Roy Guillermo is listed at 3288 El Cajon Blvd, San Diego, CA 92104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Roy Guillermo's phone number?

The number on file is (619) 232-6454. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Roy Guillermo's NPI number?

Roy Guillermo's National Provider Identifier is 1548100456. 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 Roy Guillermo confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Roy Guillermo. If this is you, claiming it is free.

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