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Provider Profile

Margaret Sidun

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At a glance

About Margaret Sidun

Margaret Sidun is an addiction & substance abuse counselor practicing in San Mateo, CA. This provider record is associated with NPI 1962209270.

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

Credentials & Licensing

NPINational Provider Identifier
1962209270Issued 2025

As reported to the NPI registry ↗

Common questions

What kind of doctor is Margaret Sidun?

Margaret Sidun is an addiction & substance abuse counselor in San Mateo, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Margaret Sidun's address?

Margaret Sidun is listed at 2251 Palm Ave, San Mateo, CA 94403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Margaret Sidun?

The number on file is (650) 513-6500. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Margaret Sidun's NPI number?

Margaret Sidun's National Provider Identifier is 1962209270. 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 long has Margaret Sidun been practicing?

Margaret Sidun has 1+ years experience. Registered with an NPI since 2025. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Margaret Sidun confirmed this information?

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

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