Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Diane L Hilliard, LCSW

Individual provider Clinical Social Worker · NPI 1588706592

Diane L Hilliard, LCSW is a Clinical Social Worker in Tacoma, Washington. Qualified in 1988, 38 years ago. Practices with Kaiser Foundation Health Plan of Washington, a 1,519-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Washington.

Years since qualifying
38
Licensed in
CA, WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

9505 S Steele St
Tacoma, WA 98444-1858
Phone: (253) 597-6800
Fax: (253) 597-6888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 303 W Henderson Ave, Porterville, CA 93257-1732 — (559) 308-6711

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW61154048 (WA)
Clinical Social Worker Taxonomy 1041C0700X · Licence LCS 19878 (CA)

Record details

NPI number1588706592
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedFebruary 13, 2007
Last updated in NPPESSeptember 23, 2021
Certification dateSeptember 23, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Kaiser Foundation Health Plan Of Washington — 1519 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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