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Kelvin Williamson, M.D.
NPI 1699081810 · Anesthesiology Physician · Seattle, WA
Kelvin Williamson, M.D. is a Anesthesiology Physician provider in Seattle, WA (NPI 1699081810).
Provider details
- NPI number
- 1699081810
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60144174 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
325 9th Ave
Seattle, WA 98104-2420
Phone: (206) 744-8386
Street-level locationGet directions
Mailing address
Po Box 50095
Seattle, WA 98145-5095
Registry dates
- Enumerated
- 2010-08-25
- Last updated
- 2010-08-25
Frequently asked questions
- What is Kelvin Williamson's NPI number?
- Kelvin Williamson's National Provider Identifier (NPI) is 1699081810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelvin Williamson's specialty?
- Kelvin Williamson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Kelvin Williamson located?
- Kelvin Williamson's practice location on file with NPPES is 325 9th Ave, Seattle, WA 98104-2420.
- What is Kelvin Williamson's phone number?
- The practice phone number listed in the NPPES registry for Kelvin Williamson is (206) 744-8386.
- Is Kelvin Williamson's NPI active?
- Yes — Kelvin Williamson's NPI (1699081810) is active in the NPPES registry as of the last update on 2010-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.