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

Margaret Streich Sigley, MD

Individual provider Pediatrics Physician · NPI 1346318946

Margaret Streich Sigley, MD is a Pediatrics Physician in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2006.

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

4400 37th Ave S
Seattle, WA 98118-1609
Phone: (206) 296-4650
Fax: (206) 205-6075
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence MD00012585 (WA)

Record details

NPI number1346318946
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2006
Last updated in NPPESMarch 7, 2023
Mailing address6852 34th Ave Ne, Seattle, WA 98115-7330

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