KATHERINE A GREATHOUSE LCSW
NPI 1326354986
Counselor - Professional in La Grande, OR

Q: What is Katherine Greathouse's NPI number?

The NPI number for Katherine Greathouse is 1326354986. It was assigned to this individual provider in the NPPES registry on August 20, 2010. The provider is also known as Katherine A Declue Lcsw.

Q: What is Katherine Greathouse's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Active since August 20, 2010

2107 3RD ST, LA GRANDE, OR 97850(541) 963-0602(541) 962-0345 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Jun 27, 2017 (2 updates tracked since 2017).

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About Katherine A Greathouse Lcsw NPPES

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

KATHERINE A GREATHOUSE LCSW (NPI 1326354986) is an individual professional provider in La Grande, Oregon, licensed in Oregon (L4398) and active in the NPI registry since August 2010.

NPPES Registry Identity

NPI1326354986

Entity TypeIndividualFemale

Primary Taxonomy101YP2500X

Provider Legal NameKATHERINE A GREATHOUSECredential: LCSW

Location Address2107 3RD STLa Grande, OR 97850-2242

Mailing Address2107 3rd StLa Grande, OR 97850-2242 · (541) 963-0602 · Fax (541) 962-0345

Phone(541) 963-0602

Fax(541) 962-0345

Sole ProprietorNo

Enumeration DateAugust 20, 2010

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

✔ NPI 1326354986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in OR · L4398

2107 3RD ST, La Grande, OR 97850

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Other Names 1

Former Name (1)Katherine A Declue Lcsw

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MT EMILY SAFE CENTER

Voluntary or Charitable

2107 3RD ST
LA GRANDE, OR 97850

Union County (541) 963-0602

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 Katherine Greathouse's NPI number?

The NPI number for Katherine Greathouse is 1326354986. It was assigned to this individual provider in the NPPES registry on August 20, 2010. The provider is also known as Katherine A Declue Lcsw.

Where is Katherine Greathouse located?

Katherine Greathouse practices at 2107 3rd St, La Grande, OR 97850. The listed phone number is (541) 963-0602.

What is Katherine Greathouse's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Katherine Greathouse was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.