CLAIRE MIZRAJI OTR/L, OTD
NPI 1386440147
Occupational Therapist in Los Alamitos, CA

Active since February 21, 2025Accepts Medicare Assignment
4772 KATELLA AVE STE 100, LOS ALAMITOS, CA 90720(562) 430-8700 Get Directions Write a Review

NPPES record last updated: June 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Claire Mizraji Otr/l, Otd NPPES

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

CLAIRE MIZRAJI OTR/L, OTD (NPI 1386440147) is an individual occupational therapist in Los Alamitos, California, licensed in California (27377) and active in the NPI registry since February 2025. She maintains 2 additional practice locations and is a graduate of Other (2024).

NPPES Registry Identity

NPI1386440147
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameCLAIRE MIZRAJICredential: OTR/L, OTD
Location Address4772 KATELLA AVE STE 100Los Alamitos, CA 90720-2681
Mailing Address2775 Mesa Verde Dr E Apt U211Costa Mesa, CA 92626-5079 · (562) 522-8158
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateFebruary 21, 2025
Last NPPES UpdateJune 26, 2026
NPPES CertifiedJune 26, 2026
✔ NPI 1386440147 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 · 27377
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.
4772 KATELLA AVE STE 100, Los Alamitos, CA 90720

Secondary Practice Locations 2

Location 116152 Beach Blvd Ste 140Huntington Beach, CA 92647-3861 · Phone (714) 842-6202
Location 21200 Quail St Ste 100Newport Beach, CA 92660-2706 · Phone (949) 475-1002

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Claire Mizraji Otr/l, Otd 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 ID1153889480
PECOS Enrollment IDI20260818000866

Medicare Billing Reassignment

Medicare enrollment records show Claire Mizraji reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Physical Therapist
4050 HARDWICK ST
Lakewood, CA 90712
  • Reassigned Medicare billing, California enrollment
  • 286 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 9

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

Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapy Assistant
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720
Occupational Therapist (Hand)
4772 KATELLA AVE STE 100
LOS ALAMITOS, CA 90720

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 Claire Mizraji's NPI number?

The NPI number for Claire Mizraji is 1386440147. It was assigned to this individual provider in the NPPES registry on February 21, 2025.

Where is Claire Mizraji located?

Claire Mizraji practices at 4772 Katella Ave Ste 100, Los Alamitos, CA 90720. The listed phone number is (562) 430-8700.

What is Claire Mizraji's specialty?

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

Is Claire Mizraji enrolled in Medicare?

Yes. Claire Mizraji 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.

Which organization bills Medicare for Claire Mizraji's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Mizraji reassigns Medicare benefits to California Rehabilitation & Sports Therapy A California Physical Ther (Lakewood, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Claire Mizraji's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Claire Mizraji was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.