Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Louise Ashley Dizon Brennan, OTR/L

Individual provider Occupational Therapist · NPI 1881450807

Louise Ashley Dizon Brennan, OTR/L is an Occupational Therapist in Private Practice in Valencia, California. Qualified in 2023, 3 years ago. Practices with Regents of the University of California, a 136-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
3
Licensed in
CA
In the registry since
2024
What do these letters mean?
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.

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Practice location Address checks out

24051 Newhall Ranch Rd
Valencia, CA 91355-5702
Phone: (661) 254-6364
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3460 Torrance Blvd Ste 100, Torrance, CA 90503-5812 — (310) 371-8555

Specialties & licences

Occupational Therapist (primary) Taxonomy 225X00000X · Licence 26120 (CA)

Record details

NPI number1881450807
Entity typeIndividual (Type 1)
GenderFemale
Credentials OTR/L
Sole proprietorYes
NPI enumeratedFebruary 27, 2024
Last updated in NPPESJune 2, 2025
Certification dateJune 2, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Regents Of The University Of California — 136 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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