IndividualActive
Toshiko Nishiyama
NPI 1497630560 · Registered Nurse · Seattle, WA
Toshiko Nishiyama is a Registered Nurse provider in Seattle, WA (NPI 1497630560).
Provider details
- NPI number
- 1497630560
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sole proprietor
- Yes
- License
- 60535593 (WA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
1959 Ne Pacific St
Seattle, WA 98195-0001
Phone: (206) 543-8736
Street-level locationGet directions
Mailing address
Po Box 357260
Seattle, WA 98195-7260
Registry dates
- Enumerated
- 2025-08-07
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Toshiko Nishiyama's NPI number?
- Toshiko Nishiyama's National Provider Identifier (NPI) is 1497630560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Toshiko Nishiyama's specialty?
- Toshiko Nishiyama is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Toshiko Nishiyama located?
- Toshiko Nishiyama's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-0001.
- What is Toshiko Nishiyama's phone number?
- The practice phone number listed in the NPPES registry for Toshiko Nishiyama is (206) 543-8736.
- Is Toshiko Nishiyama's NPI active?
- Yes — Toshiko Nishiyama's NPI (1497630560) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.