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

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1558490052

David John Pierson, MD is a Critical Care Medicine (Internal Medicine) Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2007.

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

325 9th Ave Box 359762
Seattle, WA 98104-2420 Not confirmed with CMS for 14 years — call before visiting
Phone: (206) 731-2148
Fax: (206) 731-8584
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 00015430 (WA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 00015430 (WA)

Record details

NPI number1558490052
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 2, 2007
Last updated in NPPESFebruary 10, 2012

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