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

NPI Status: Active since February 27, 2024

Contact Information

24051 NEWHALL RANCH RD
VALENCIA, CA
ZIP 91355
Phone: (661) 254-6364

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  • Individual
  • Female
  • Years of Experience 3
  • Occupational Therapist
  • Accepts Medicare Approved Payment

About LOUISE ASHLEY BRENNAN

This page provides the complete NPI Profile along with additional information for Louise Ashley Brennan, a provider established in Valencia, California with a medical specialization in Occupational Therapist and more than 3 years of experience. The healthcare provider is registered in the NPI registry with number 1881450807 assigned on February 2024. The practitioner's primary taxonomy code is 225X00000X with license number 26120 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1881450807
Provider Name
LOUISE ASHLEY DIZON BRENNAN OTR/L
Gender
Female
Entity Type
Individual
Location Address
24051 NEWHALL RANCH RD VALENCIA, CA 91355
Location Phone
(661) 254-6364
Mailing Address
5767 W CENTURY BLVD STE 400 LOS ANGELES, CA 90045
Medical School Name
OTHER
Graduation Year
2023
Is Sole Proprietor?
Yes
Enumeration Date
02-27-2024
Last Update Date
06-02-2025
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Location Map

Secondary Locations

  • 3460 Torrance Blvd Ste 100
    Torrance, CA 90503
    (310) 371-8555

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Occupational Therapist

Taxonomy Code
225X00000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
26120
License State
CA
Taxonomy Description
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.

Medicare Participation & PECOS Enrollment Status

Louise Ashley Brennan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • PECOS PAC ID: 1254778194

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20240327001141

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1881450807, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 8 → 16 → 7 4 → 8 0 → 0 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 1 + 6 + 1 + 8 + 5 + 0 + 8 + 0 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1881450807.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Physical Therapist (Orthopedic)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physician Assistant (Medical)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Non-Pharmacy Dispensing Site
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist (Orthopedic)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist (Orthopedic)
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Orthopaedic Surgery
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Orthopaedic Surgery
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
Occupational Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Physical Therapist
24051 NEWHALL RANCH RD
VALENCIA, CA 91355
Nurse Practitioner
24051 NEWHALL RANCH RD
VALENCIA, CA 91355

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881450807, enumerated as an "individual" on February 27, 2024.

The provider is located at 24051 NEWHALL RANCH RD VALENCIA, CA 91355 and the phone number is (661) 254-6364.

Occupational Therapist with taxonomy code 225X00000X.