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

John W Sparks, MD

Individual provider Internal Medicine Physician · NPI 1609905223

John W Sparks, MD is an Internal Medicine Physician in Seattle, Washington. Works from 2 locations. Licensed in Washington.

Licensed in
WA
In the registry since
2007
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

1100 9th Ave
Seattle, WA 98101-2756
Phone: (206) 223-6600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 201 16th Ave E, Seattle, WA 98112-5226 — (206) 326-3000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD00032300 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD00032300 (WA)

Record details

NPI number1609905223
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 2, 2007
Last updated in NPPESMay 6, 2021
Certification dateMay 6, 2021

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