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

Clifford Mills, LICSW

Individual provider Clinical Social Worker · NPI 1346701380

Clifford Mills, LICSW is a Clinical Social Worker in Seattle, Washington. Licensed in Washington. Registered with an NPI since 2019.

Licensed in
WA
In the registry since
2019
What do these letters mean?
LICSW — Licensed Independent Clinical Social Worker
The title some states use for an independently practising clinical social worker.

See every abbreviation used in this directory →

Practice location Address checks out

401 5th Ave Ste 400
Seattle, WA 98104-2377
Phone: (206) 263-9202
Fax: (206) 296-0582
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LW60512419 (WA)

Record details

NPI number1346701380
Entity typeIndividual (Type 1)
GenderMale
Credentials LICSW
Sole proprietorNo
NPI enumeratedMarch 30, 2019
Last updated in NPPESMarch 30, 2019

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