Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

KATHERINE OLSEN
NPI 1417346743
Occupational Therapist in Los Angeles, CA

Active since January 09, 2015
3654 TILDEN AVE, LOS ANGELES, CA 90034(530) 864-5012 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine Olsen NPPES

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

KATHERINE OLSEN (NPI 1417346743) is an individual occupational therapist in Los Angeles, California, licensed in California (019236) and active in the NPI registry since January 2015.

NPPES Registry Identity

NPI1417346743
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameKATHERINE OLSEN
Location Address3654 TILDEN AVELos Angeles, CA 90034-6910
Mailing Address3654 Tilden AveLos Angeles, CA 90034-6910
Sole ProprietorYes
Enumeration DateJanuary 9, 2015
Last NPPES UpdateOctober 2, 2026
NPPES CertifiedOctober 2, 2026
✔ NPI 1417346743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in CA · 019236
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
3654 TILDEN AVE, Los Angeles, CA 90034

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 Olsen's NPI number?

The NPI number for Katherine Olsen is 1417346743. It was assigned to this individual provider in the NPPES registry on January 9, 2015.

Where is Katherine Olsen located?

Katherine Olsen practices at 3654 Tilden Ave, Los Angeles, CA 90034. The listed phone number is (530) 864-5012.

What is Katherine Olsen's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

When was this NPI record last updated?

The NPPES record for Katherine Olsen was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.