IndividualActive
Katie Duff
NPI 1033944483 · Social Worker · Auburn, WA
Katie Duff is a Social Worker provider in Auburn, WA (NPI 1033944483).
Provider details
- NPI number
- 1033944483
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
4238 Auburn Way N
Auburn, WA 98002-1311
Phone: (206) 901-2000
Street-level locationGet directions
Mailing address
6400 Southcenter Blvd
Tukwila, WA 98188-2547
Registry dates
- Enumerated
- 2024-09-05
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Katie Duff's NPI number?
- Katie Duff's National Provider Identifier (NPI) is 1033944483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Duff's specialty?
- Katie Duff is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Katie Duff located?
- Katie Duff's practice location on file with NPPES is 4238 Auburn Way N, Auburn, WA 98002-1311.
- What is Katie Duff's phone number?
- The practice phone number listed in the NPPES registry for Katie Duff is (206) 901-2000.
- Is Katie Duff's NPI active?
- Yes — Katie Duff's NPI (1033944483) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.