LOUISE ASHLEY DIZON BRENNAN OTR/L
NPI 1881450807
Occupational Therapist in Valencia, CA

Active since February 27, 2024Accepts Medicare Assignment
24051 NEWHALL RANCH RD, VALENCIA, CA 91355(661) 254-6364 Get Directions Write a Review

NPPES record last updated: June 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2025, Feb 26, 2025 (2 updates tracked since 2025).

About Louise Ashley Dizon Brennan Otr/l NPPES

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

LOUISE ASHLEY DIZON BRENNAN OTR/L (NPI 1881450807) is an individual occupational therapist in Valencia, California, licensed in California (26120) and active in the NPI registry since February 2024. She maintains a secondary practice location in Torrance and is a graduate of Other (2023).

NPPES Registry Identity

NPI1881450807
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameLOUISE ASHLEY DIZON BRENNANCredential: OTR/L
Location Address24051 NEWHALL RANCH RDValencia, CA 91355-5702
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Sole ProprietorYes
Medical School CMSOtherGraduated 2023
Enumeration DateFebruary 27, 2024
Last NPPES UpdateJune 2, 20252 updates tracked since enumeration
NPPES CertifiedJune 2, 2025
NPI 1881450807 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 · 26120
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.

24051 NEWHALL RANCH RD, Valencia, CA 91355

Secondary Practice Location 1

Location 13460 Torrance Blvd Ste 100Torrance, CA 90503-5812 · Phone (310) 371-8555

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Louise Ashley Dizon Brennan Otr/l is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254778194
PECOS Enrollment IDI20240327001141

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Therapy procedure using manual technique, each 15 minutes 97140
This therapy involves using hands-on techniques to help improve your body's movement and function. These techniques may include stretching, resistance exercises, or gentle pressure. Each session lasts 15 minutes and aims to relieve pain, promote healing, and improve your overall health.
45 services19 patients
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 97110
This therapy involves exercises to boost strength, endurance, flexibility, and range of motion. Each session lasts 15 minutes. The goal is to improve physical function and overall health. It's a safe, beneficial method for enhancing well-being and fitness.
41 services19 patients
Therapy procedure using functional activities 97530
A therapy procedure using functional activities encourages you to use your own body movements in day-to-day tasks to aid recovery. It aims to improve your mobility, strength, and overall health by incorporating therapeutic exercises into your routine.
40 services20 patients

Other Providers at the Same Location NPPES 13

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

Physical Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Orthopaedic Surgery
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist (Orthopedic)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Occupational Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Durable Medical Equipment & Medical Supplies
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Orthopaedic Surgery (Sports Medicine)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Orthopaedic Surgery
24051 NEWHALL RANCH RD
VALENCIA, CA 91355

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 Louise Ashley Brennan's NPI number?

The NPI number for Louise Ashley Brennan is 1881450807. It was assigned to this individual provider in the NPPES registry on February 27, 2024.

Where is Louise Ashley Brennan located?

Louise Ashley Brennan practices at 24051 Newhall Ranch Rd, Valencia, CA 91355. The listed phone number is (661) 254-6364.

What is Louise Ashley Brennan's specialty?

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

Is Louise Ashley Brennan enrolled in Medicare?

Yes. Louise Ashley Brennan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Louise Ashley Brennan was last updated on June 2, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.