DR. TRINNIN OLSEN PSYD
NPI 1811363138
Psychologist - Clinical in Corona, CA

Q: What is Trinnin Olsen's NPI number?

The NPI number for Trinnin Olsen is 1811363138. It was assigned to this individual provider in the NPPES registry on August 20, 2015.

Q: What is Trinnin Olsen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Trinnin Olsen was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since August 20, 2015

280 TELLER ST, CORONA, CA 92879(909) 825-7084 Get Directions Write a Review

NPPES record last updated: July 22, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Mar 29, 2025, Aug 1, 2024, Dec 8, 2020 (3 updates tracked since 2020).

On this page

About Dr. Trinnin Olsen Psyd NPPES

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

DR. TRINNIN OLSEN PSYD (NPI 1811363138) is an individual clinical provider in Corona, California, licensed in California (PSY32367) and active in the NPI registry since August 2015.

NPPES Registry Identity

NPI1811363138

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. TRINNIN OLSENCredential: PSYD

Location Address280 TELLER STCorona, CA 92879-1898

Mailing Address280 Teller St Ste 120Corona, CA 92879-1888 · (099) 825-7084

Phone(909) 825-7084

Sole ProprietorNo

Enumeration DateAugust 20, 2015

Last NPPES UpdateJuly 22, 20253 updates tracked since enumeration

NPPES CertifiedJuly 22, 2025

✔ NPI 1811363138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY32367

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

280 TELLER ST, Corona, CA 92879

Open in Google Maps ↗

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 Trinnin Olsen's NPI number?

The NPI number for Trinnin Olsen is 1811363138. It was assigned to this individual provider in the NPPES registry on August 20, 2015.

Where is Trinnin Olsen located?

Trinnin Olsen practices at 280 Teller St, Corona, CA 92879. The listed phone number is (909) 825-7084.

What is Trinnin Olsen's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Trinnin Olsen was last updated on July 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.