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

Matthew John Arentz, MD

Individual provider Internal Medicine Physician · NPI 1154362838

Matthew John Arentz, MD is an Internal Medicine Physician in Kirkland, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2006
Specialties on file
2
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

12303 NE 130th Ln Ste 550
Kirkland, WA 98034-3041
Phone: (425) 899-6972
Fax: (425) 899-6970
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence MD00044858 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD00044858 (WA)

Record details

NPI number1154362838
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 10, 2006
Last updated in NPPESOctober 19, 2018
Mailing addressPo Box 34036, Seattle, WA 98124-1036

Other providers in Kirkland