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

Individual provider Psychiatry Physician · NPI 1316962145

Dr. Patrick Leroy Mathiasen, MD is a Psychiatry in Bellevue, Washington. Graduated from University of Minnesota, Duluth School of Medicine in 1985, 41 years ago. Practices with Psychiatry of Texas PLLC, a 404-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
41
Trained at
University of Minnesota, Duluth School of Medicine
Licensed in
WA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1035 116th Ave NE
Bellevue, WA 98004-4604
Phone: (206) 722-0594
Fax: (206) 722-4484
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MD00025427 (WA)

Record details

NPI number1316962145
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 13, 2006
Last updated in NPPESMay 30, 2013
Mailing address2514 S Edmunds St, Seattle, WA 98108-2045

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Also practisesGERIATRIC PSYCHIATRY
Medical schoolUNIVERSITY OF MINNESOTA, DULUTH SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Psychiatry Of Texas Pllc — 404 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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