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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.

KATHERINE TRINISEWSKI
NPI 1609710581
Counselor - Mental Health in Portland, OR

Active since April 20, 2026
905 SE 14TH AVE, PORTLAND, OR 97214(610) 762-5265 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 22, 2026, Sep 16, 2026, Jul 6, 2026 and 1 more (4 updates tracked since 2026).

About Katherine Trinisewski NPPES

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

KATHERINE TRINISEWSKI (NPI 1609710581) is an individual mental health provider in Portland, Oregon and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1609710581
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKATHERINE TRINISEWSKI
Location Address905 SE 14TH AVEPortland, OR 97214-2569
Mailing Address5400 Ne 30th Ave Apt 301Portland, OR 97211-6862
Phone(610) 762-5265
Sole ProprietorNo
Enumeration DateApril 20, 2026
Last NPPES UpdateSeptember 22, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1609710581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
905 SE 14TH AVE, Portland, OR 97214
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Other Providers at the Same Location NPPES 20

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

CHRISTIA LEE SCHULTZ
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
CELINA SUSANA CASTILLO CHAVEZ
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
SHANNON TRUBATCH
Student in an Organized Health Care Education/Training Program
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
KHEFRI AZURE
Social Worker
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
HANNAH PHYL WESTBROCK
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
JENNIFER NOEL EBY
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
JESSICA GRUENSTEIN MA
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (503) 622-8964
RONALD BROWN
Counselor (Mental Health)
905 SE 14TH AVE
PORTLAND, OR 97214
Multnomah County (971) 716-2173

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 Trinisewski's NPI number?

The NPI number for Katherine Trinisewski is 1609710581. It was assigned to this individual provider in the NPPES registry on April 20, 2026.

Where is Katherine Trinisewski located?

Katherine Trinisewski practices at 905 SE 14th Ave, Portland, OR 97214. The listed phone number is (610) 762-5265.

What is Katherine Trinisewski'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 Katherine Trinisewski was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.