IndividualActive
Joanne Royston-Johnson, RN
NPI 1477141703 · Registered Nurse · Seattle, WA
Joanne Royston-Johnson, RN is a Registered Nurse provider in Seattle, WA (NPI 1477141703).
Provider details
- NPI number
- 1477141703
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN094862 (GA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(63/100 index)
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
2600 Sw Holden St
Seattle, WA 98126-3505
Phone: (206) 933-7000
Street-level locationGet directions
Mailing address
10455 34th Ave Sw
Seattle, WA 98146-1271
Registry dates
- Enumerated
- 2021-01-03
- Last updated
- 2021-01-03
- Certified
- 2021-01-03
Frequently asked questions
- What is Joanne Royston-Johnson's NPI number?
- Joanne Royston-Johnson's National Provider Identifier (NPI) is 1477141703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Royston-Johnson's specialty?
- Joanne Royston-Johnson is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Joanne Royston-Johnson located?
- Joanne Royston-Johnson's practice location on file with NPPES is 2600 Sw Holden St, Seattle, WA 98126-3505.
- What is Joanne Royston-Johnson's phone number?
- The practice phone number listed in the NPPES registry for Joanne Royston-Johnson is (206) 933-7000.
- Is Joanne Royston-Johnson's NPI active?
- Yes — Joanne Royston-Johnson's NPI (1477141703) is active in the NPPES registry as of the last update on 2021-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.