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Sidney Postma, MD
NPI 1316058647 · Anesthesiology Physician · Renton, WA
Sidney Postma, MD is a Anesthesiology Physician provider in Renton, WA (NPI 1316058647).
Provider details
- NPI number
- 1316058647
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00018823 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
400 S 43rd St
Renton, WA 98055-5714
Phone: (425) 353-3788
Fax: (425) 353-8041
Street-level locationGet directions
Mailing address
Po Box 84571
Seattle, WA 98124-5871
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2023-03-07
Frequently asked questions
- What is Sidney Postma's NPI number?
- Sidney Postma's National Provider Identifier (NPI) is 1316058647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Postma's specialty?
- Sidney Postma is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sidney Postma located?
- Sidney Postma's practice location on file with NPPES is 400 S 43rd St, Renton, WA 98055-5714.
- What is Sidney Postma's phone number?
- The practice phone number listed in the NPPES registry for Sidney Postma is (425) 353-3788.
- Is Sidney Postma's NPI active?
- Yes — Sidney Postma's NPI (1316058647) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.