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

Matthew Slaught, MD

Individual provider Internal Medicine Physician · NPI 1639850738

Matthew Slaught, MD is an Internal Medicine Physician in Seattle, Washington. Practices as a sole proprietor. Licensed in Washington.

Licensed in
WA
In the registry since
2023
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

925 Seneca St
Seattle, WA 98101-2742
Phone: (206) 583-6079
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 61549588 (WA)

Record details

NPI number1639850738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 31, 2023
Last updated in NPPESMay 24, 2024
Certification dateMay 24, 2024

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