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Provider Profile

John Mueller

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At a glance

About John Mueller

Listed in the NPI registry as an addiction & substance abuse counselor, John Mueller practices in Upland, CA. NPI 1831015759 identifies this record in the national registry.

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

Credentials & Licensing

CA licenceAs reported to the NPI registry
No. RT1423561225As reported
NPINational Provider Identifier
1831015759Issued 2026

As reported to the NPI registry ↗

Common questions

What does John Mueller specialize in?

John Mueller is an addiction & substance abuse counselor in Upland, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is John Mueller located?

John Mueller is listed at 239 W 9Th St, Upland, CA 91786. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is John Mueller's phone number?

The number on file is (909) 490-6283. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for John Mueller?

John Mueller's National Provider Identifier is 1831015759. 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

Is John Mueller's profile verified?

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

Guide.md

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