Organization Profile

Patrick Mathiasen MD

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About Patrick Mathiasen MD

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Specialty

Psychiatry (Primary)

Credentials & Licensing

NPI1063342590
NPI issued05/19/2026

Source: NPPES NPI Registry

Common questions

What is Patrick Mathiasen MD's specialty?

Patrick Mathiasen MD is a psychiatrist in Bellevue, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.

NPI registry

Where can I find Patrick Mathiasen MD?

Patrick Mathiasen MD is listed at 10203 Ne 29Th Pl, Bellevue, WA 98004. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Patrick Mathiasen MD?

The number on file is (425) 628-3660. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Patrick Mathiasen MD's NPI number?

Patrick Mathiasen MD's National Provider Identifier is 1063342590. 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 Patrick Mathiasen MD confirmed this information?

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

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Is this your practice?

Manage this listing? Log in or create an account, then click “This is my practice and I manage it” here. A verified physician whose registry address matches this location is approved instantly; everyone else is reviewed by a person.

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.