1. Home
  2. Directory
  3. Washington
  4. Auburn
  5. Social Worker
  6. NPI Profile

KATIE DUFF
NPI 1033944483
Social Worker in Auburn, WA

Active since September 05, 2024
4238 AUBURN WAY N, AUBURN, WA 98002(206) 901-2000 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 12, 2025, Jul 3, 2025, Sep 5, 2024 (3 updates tracked since 2024).

About Katie Duff NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATIE DUFF (NPI 1033944483) is an individual social worker in Auburn, Washington and active in the NPI registry since September 2024.

NPPES Registry Identity

NPI1033944483
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKATIE DUFF
Location Address4238 AUBURN WAY NAuburn, WA 98002-1311
Mailing Address6400 Southcenter BlvdTukwila, WA 98188-2547
Phone(206) 901-2000
Sole ProprietorNo
Enumeration DateSeptember 5, 2024
Last NPPES UpdateAugust 12, 20253 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1033944483 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4238 AUBURN WAY N, Auburn, WA 98002
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JULIA ROSALIND AQUINO LUMAUIG
Counselor
4238 AUBURN WAY N
AUBURN, WA 98002
King County (253) 876-7600
IRENE WAIBARA
Counselor
4238 AUBURN WAY N
AUBURN, WA 98002
King County (206) 901-2000
TRISHELLE ROSE EDWARDS
Counselor
4238 AUBURN WAY N, SOUND MENTAL HEALTH
AUBURN, WA 98002
King County (253) 876-7600
BRENDA LYNN FOWLER-LONGORIA PEER COUNSELOR
Counselor
4238 AUBURN WAY N
AUBURN, WA 98002
King County (253) 876-7600
ASHNIKA ASHMINTA NATH
Counselor
4238 AUBURN WAY N
AUBURN, WA 98002
King County (206) 901-2000
CYNTHIA M TUMELSON BA, CDP
Counselor (Addiction (Substance Use Disorder))
4238 AUBURN WAY N
AUBURN, WA 98002
King County (253) 876-7600
ESSI KOUDOHA
Counselor
4238 AUBURN WAY N
AUBURN, WA 98002
King County (206) 901-2000
NAVDEEP SINGH RN
Nurse Practitioner (Psychiatric/Mental Health)
4238 AUBURN WAY N
AUBURN, WA 98002
King County (253) 876-7600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katie Duff's NPI number?

The NPI number for Katie Duff is 1033944483. It was assigned to this individual provider in the NPPES registry on September 5, 2024.

Where is Katie Duff located?

Katie Duff practices at 4238 Auburn Way N, Auburn, WA 98002. The listed phone number is (206) 901-2000.

What is Katie Duff's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Katie Duff was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.