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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.

MS. DIANNE E. LEROY M.S., L.P.C.
NPI 1649261595
Counselor - Mental Health in Portland, OR

Active since October 31, 2005
4225 NE TILLAMOOK ST, PORTLAND, OR 97213(503) 299-9140(503) 236-2399 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Dianne E. Leroy M.s., L.p.c. NPPES

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

MS. DIANNE E. LEROY M.S., L.P.C. (NPI 1649261595) is an individual mental health provider in Portland, Oregon, licensed in Oregon (CO748) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1649261595
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. DIANNE E. LEROYCredential: M.S., L.P.C.
Location Address4225 NE TILLAMOOK STPortland, OR 97213-1313
Mailing AddressPo Box 18173Portland, OR 97218-0173 · (503) 299-0140 · Fax (503) 236-2399
Phone(503) 299-9140
Fax(503) 236-2399
Sole ProprietorNo
Enumeration DateOctober 31, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1649261595 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 OR · CO748
4225 NE TILLAMOOK ST, Portland, OR 97213
Open in Google Maps ↗

Other Providers at the Same Location NPPES 5

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

MR. MICHAEL ANTHONY BOYD
Social Worker (Clinical)
4225 NE TILLAMOOK ST
PORTLAND, OR 97213
Multnomah County (503) 349-2606
MS. ATHENA C. DOREY LCSW
Social Worker (Clinical)
4225 NE TILLAMOOK ST
PORTLAND, OR 97213
Multnomah County (503) 267-9880
DR. MALCOLM S SMITH ND
Naturopath
4225 NE TILLAMOOK ST
PORTLAND, OR 97213
Multnomah County (503) 251-4535
HANNA A JORDAN LCSW
Social Worker (Clinical)
4225 NE TILLAMOOK ST
PORTLAND, OR 97213
Multnomah County (503) 299-4754
RICHARD KREIDI L.M.T.
Massage Therapist
4225 NE TILLAMOOK ST
PORTLAND, OR 97213
Multnomah County (321) 252-8081

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 Dianne Leroy's NPI number?

The NPI number for Dianne Leroy is 1649261595. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Dianne Leroy located?

Dianne Leroy practices at 4225 NE Tillamook St, Portland, OR 97213. The listed phone number is (503) 299-9140.

What is Dianne Leroy'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 Dianne Leroy was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 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.