James Nielson, MSW, LICSW
NPI 1821141532 · Clinical Social Worker · Seattle, WA
James Nielson, MSW, LICSW is a Clinical Social Worker provider in Seattle, WA (NPI 1821141532).
Provider details
- NPI number
- 1821141532
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LICSW
- Sex
- Male
- Sole proprietor
- No
- License
- LW00005591 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
- 2007-01-18
- Last updated
- 2013-03-21
Frequently asked questions
- What is James Nielson's NPI number?
- James Nielson's National Provider Identifier (NPI) is 1821141532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Nielson's specialty?
- James Nielson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is James Nielson located?
- James Nielson's practice location on file with NPPES is 1600 E Olive St, Seattle, WA 98122-2735.
- What is James Nielson's phone number?
- The practice phone number listed in the NPPES registry for James Nielson is (206) 302-2200.
- Is James Nielson's NPI active?
- Yes — James Nielson's NPI (1821141532) is active in the NPPES registry as of the last update on 2013-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.