William Tang, MD
NPI 1851977409 · Anesthesiology Physician · Renton, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tang, MD is a Anesthesiology Physician provider in Renton, WA (NPI 1851977409).
Provider details
- NPI number
- 1851977409
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61669362 (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
5 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
- 2021-03-23
- Last updated
- 2026-05-04
- Certified
- 2026-05-04
Frequently asked questions
- What is William Tang's NPI number?
- William Tang's National Provider Identifier (NPI) is 1851977409, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tang's specialty?
- William Tang is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Tang located?
- William Tang's practice location on file with NPPES is 400 S 43rd St, Renton, WA 98055-5714.
- What is William Tang's phone number?
- The practice phone number listed in the NPPES registry for William Tang is (425) 251-5180.
- Does William Tang accept Medicare?
- William Tang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tang's NPI active?
- Yes — William Tang's NPI (1851977409) is active in the NPPES registry as of the last update on 2026-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.