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Seth Ellner, MSW
NPI 1811190572 · Clinical Social Worker · Seattle, WA
Seth Ellner, MSW is a Clinical Social Worker provider in Seattle, WA (NPI 1811190572).
Provider details
- NPI number
- 1811190572
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LW00006443 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(89/100 index)
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
753 N. 35th Street, #201
Seattle, WA 98103
Phone: (206) 632-1870
Street-level locationGet directions
Mailing address
1227 Ne 103rd St
Seattle, WA 98125-7554
Registry dates
- Enumerated
- 2007-06-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Seth Ellner's NPI number?
- Seth Ellner's National Provider Identifier (NPI) is 1811190572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Ellner's specialty?
- Seth Ellner is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Seth Ellner located?
- Seth Ellner's practice location on file with NPPES is 753 N. 35th Street, #201, Seattle, WA 98103.
- What is Seth Ellner's phone number?
- The practice phone number listed in the NPPES registry for Seth Ellner is (206) 632-1870.
- Is Seth Ellner's NPI active?
- Yes — Seth Ellner's NPI (1811190572) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.