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

Diane Joan Irwin, LCSW

Individual provider Clinical Social Worker · NPI 1669889143

Diane Joan Irwin, LCSW is a Clinical Social Worker in The Dalles, Oregon. Practices as a sole proprietor. Registered with an NPI since 2014.

In the registry since
2014
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

419 E 7th St #207
The Dalles, OR 97058
Phone: (541) 296-5228
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1669889143
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedJuly 17, 2014
Last updated in NPPESJuly 17, 2014

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