William Stewart, M.D.
NPI 1083645451 · Anesthesiology Physician · Tacoma, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Stewart, M.D. is a Anesthesiology Physician provider in Tacoma, WA (NPI 1083645451).
Provider details
- NPI number
- 1083645451
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00028345 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Stewart's NPI number?
- William Stewart's National Provider Identifier (NPI) is 1083645451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Stewart's specialty?
- William Stewart is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Stewart located?
- William Stewart's practice location on file with NPPES is 1717 S J St, Tacoma, WA 98405-4933.
- What is William Stewart's phone number?
- The practice phone number listed in the NPPES registry for William Stewart is (425) 284-1545.
- Does William Stewart accept Medicare?
- William Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Stewart's NPI active?
- Yes — William Stewart's NPI (1083645451) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.