IndividualActive
William Brothers
NPI 1538627203 · Registered Nurse · Seattle, WA
William Brothers is a Registered Nurse provider in Seattle, WA (NPI 1538627203).
Provider details
- NPI number
- 1538627203
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 00106317 (WA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
851 Poplar Pl S
Seattle, WA 98144-2827
Phone: (206) 322-2387
Street-level locationGet directions
Mailing address
851 Poplar Pl S
Seattle, WA 98144-2827
Registry dates
- Enumerated
- 2019-03-12
- Last updated
- 2023-06-16
- Certified
- 2023-06-16
Frequently asked questions
- What is William Brothers's NPI number?
- William Brothers's National Provider Identifier (NPI) is 1538627203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Brothers's specialty?
- William Brothers is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is William Brothers located?
- William Brothers's practice location on file with NPPES is 851 Poplar Pl S, Seattle, WA 98144-2827.
- What is William Brothers's phone number?
- The practice phone number listed in the NPPES registry for William Brothers is (206) 322-2387.
- Is William Brothers's NPI active?
- Yes — William Brothers's NPI (1538627203) is active in the NPPES registry as of the last update on 2023-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.