Diedre Knowlton, MSW, ASW
NPI 1104945518 · Clinical Social Worker · Seattle, WA
Diedre Knowlton, MSW, ASW is a Clinical Social Worker provider in Seattle, WA (NPI 1104945518).
Provider details
- NPI number
- 1104945518
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, ASW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6196 (OR)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Clinical Social Worker1041C0700X
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
- 2007-03-28
- Last updated
- 2022-07-21
Frequently asked questions
- What is Diedre Knowlton's NPI number?
- Diedre Knowlton's National Provider Identifier (NPI) is 1104945518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diedre Knowlton's specialty?
- Diedre Knowlton is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diedre Knowlton located?
- Diedre Knowlton's practice location on file with NPPES is 4026 Ne 55th St Ste D, Seattle, WA 98105-2254.
- What is Diedre Knowlton's phone number?
- The practice phone number listed in the NPPES registry for Diedre Knowlton is (206) 941-4474.
- Is Diedre Knowlton's NPI active?
- Yes — Diedre Knowlton's NPI (1104945518) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.