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JOAN KATHLEEN TRETTENERO
NPI 1508365834
Counselor in Tukwila, WA

Active since February 01, 2018
6400 SOUTHCENTER BLVD, TUKWILA, WA 98188(206) 901-2000 Get Directions Write a Review

NPPES record last updated: October 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Joan Kathleen Trettenero NPPES

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

JOAN KATHLEEN TRETTENERO (NPI 1508365834) is an individual counselor in Tukwila, Washington and active in the NPI registry since February 2018.

NPPES Registry Identity

NPI1508365834
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameJOAN KATHLEEN TRETTENERO
Location Address6400 SOUTHCENTER BLVDTukwila, WA 98188-2547
Mailing Address6400 Southcenter BlvdTukwila, WA 98188-2547 · (206) 901-2000
Phone(206) 901-2000
Sole ProprietorNo
Enumeration DateFebruary 1, 2018
Last NPPES UpdateOctober 6, 2025
NPPES CertifiedOctober 6, 2025
✔ NPI 1508365834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
6400 SOUTHCENTER BLVD, Tukwila, WA 98188
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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.

SIERRA WOLLEN
Counselor (Mental Health)
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 444-3600
ALEXANDRA DEAN
Counselor
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
STACY LEE OPPLIGER SIMONEAUX OTR/L, MBA-HA
Occupational Therapist
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
NORA AHMED ABDI
Counselor
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
RYAN MITCHELL
Counselor (Mental Health)
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
ASHLEY MORRIS
Counselor
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
ADRIANNA HERNANDEZ
Counselor
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000
MARIAH MARIE RINGEL
Social Worker
6400 SOUTHCENTER BLVD
TUKWILA, WA 98188
King County (206) 901-2000

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 Joan Trettenero's NPI number?

The NPI number for Joan Trettenero is 1508365834. It was assigned to this individual provider in the NPPES registry on February 1, 2018.

Where is Joan Trettenero located?

Joan Trettenero practices at 6400 Southcenter Blvd, Tukwila, WA 98188. The listed phone number is (206) 901-2000.

What is Joan Trettenero's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

When was this NPI record last updated?

The NPPES record for Joan Trettenero was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.