Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Patrick Mathiasen MD

Organization Psychiatry Physician · NPI 1063342590

Patrick Mathiasen MD is a Psychiatry Physician in Bellevue, Washington. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

10203 NE 29th Pl
Bellevue, WA 98004-1935
Phone: (425) 628-3660
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X

Record details

NPI number1063342590
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Patrick Mathiasen — Owner · (425) 628-3660
NPI enumeratedMay 19, 2026
Last updated in NPPESMay 19, 2026
Certification dateMay 19, 2026
Mailing address10203 Ne 29th Pl, Bellevue, WA 98004-1935

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