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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. WILLIAM DERRELL HILL MA LMHCA
NPI 1851803886
Counselor - Mental Health in Auburn, WA

Active since October 31, 2017
4238 AUBURN WAY N, AUBURN, WA 98002(206) 901-2000 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 22, 2026, May 11, 2021, Jan 4, 2021 and 1 more (4 updates tracked since 2017).

About Mr. William Derrell Hill Ma Lmhca NPPES

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

MR. WILLIAM DERRELL HILL MA LMHCA (NPI 1851803886) is an individual mental health provider in Auburn, Washington, licensed in Washington (MC60720633) and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1851803886
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. WILLIAM DERRELL HILLCredential: MA LMHCA
Location Address4238 AUBURN WAY NAuburn, WA 98002-1311
Mailing Address6400 Southcenter BlvdTukwila, WA 98188-2547 · (206) 901-2000 · Fax (206) 901-2010
Phone(206) 901-2000
Sole ProprietorYes
Enumeration DateOctober 31, 2017
Last NPPES UpdateOctober 19, 20264 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1851803886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · MC60720633
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
KATIE DUFF
Social Worker
4238 AUBURN WAY N
AUBURN, WA 98002
King County (206) 901-2000
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

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 William Hill's NPI number?

The NPI number for William Hill is 1851803886. It was assigned to this individual provider in the NPPES registry on October 31, 2017.

Where is William Hill located?

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

What is William Hill's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for William Hill was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.