KATHERINE GAYLE PORTEOUS AAS SUBSTANCE USE
NPI 1215507009
Counselor - Addiction (Substance Use Disorder) in Ontario, CA

Q: What is Katherine Porteous's NPI number?

The NPI number for Katherine Porteous is 1215507009. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Q: What is Katherine Porteous's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Active since June 25, 2021

1033 S CAMPUS AVE, ONTARIO, CA 91761(626) 241-8451 Get Directions Write a Review

NPPES record last updated: June 25, 2021. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Katherine Gayle Porteous Aas Substance Use NPPES

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

KATHERINE GAYLE PORTEOUS AAS SUBSTANCE USE (NPI 1215507009) is an individual addiction (substance use disorder) provider in Ontario, California and active in the NPI registry since June 2021.

NPPES Registry Identity

NPI1215507009

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameKATHERINE GAYLE PORTEOUSCredential: AAS SUBSTANCE USE

Location Address1033 S CAMPUS AVEOntario, CA 91761-3444

Mailing Address1033 S Campus AveOntario, CA 91761-3444 · (626) 241-8451

Phone(626) 241-8451

Sole ProprietorNo

Enumeration DateJune 25, 2021

NPPES CertifiedJune 25, 2021

✔ NPI 1215507009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

1033 S CAMPUS AVE, Ontario, CA 91761

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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 Porteous's NPI number?

The NPI number for Katherine Porteous is 1215507009. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Where is Katherine Porteous located?

Katherine Porteous practices at 1033 S Campus Ave, Ontario, CA 91761. The listed phone number is (626) 241-8451.

What is Katherine Porteous's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Katherine Porteous was last updated on June 25, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.