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

Sidney Postma, MD

Individual provider Anesthesiology Physician · NPI 1316058647

Sidney Postma, MD is an Anesthesiology Physician in Renton, 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.

See every abbreviation used in this directory →

Practice location Address checks out

400 S 43rd St
Renton, WA 98055-5714
Phone: (425) 353-3788
Fax: (425) 353-8041
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence MD00018823 (WA)

Record details

NPI number1316058647
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESMarch 7, 2023
Mailing addressPo Box 84571, Seattle, WA 98124-5871

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