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William Soderberg, LICSW
NPI 1902481898 · Clinical Social Worker · Seattle, WA
William Soderberg, LICSW is a Clinical Social Worker provider in Seattle, WA (NPI 1902481898).
Provider details
- NPI number
- 1902481898
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LW00009294 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 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
180 Nickerson St Ste 308
Seattle, WA 98109-1631
Phone: (206) 902-7003
Street-level locationGet directions
Mailing address
180 Nickerson St Ste 308
Seattle, WA 98109-1631
Registry dates
- Enumerated
- 2021-03-12
- Last updated
- 2021-03-12
- Certified
- 2021-03-12
Frequently asked questions
- What is William Soderberg's NPI number?
- William Soderberg's National Provider Identifier (NPI) is 1902481898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Soderberg's specialty?
- William Soderberg is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Soderberg located?
- William Soderberg's practice location on file with NPPES is 180 Nickerson St Ste 308, Seattle, WA 98109-1631.
- What is William Soderberg's phone number?
- The practice phone number listed in the NPPES registry for William Soderberg is (206) 902-7003.
- Is William Soderberg's NPI active?
- Yes — William Soderberg's NPI (1902481898) is active in the NPPES registry as of the last update on 2021-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.