Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

VIVIEN WAI WAN SIT
NPI 1659283679
Occupational Therapist in Lawndale, CA

Active since September 22, 2026
4161 W 147TH ST, LAWNDALE, CA 90260(310) 973-1300 Get Directions Write a Review

NPPES record added: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Vivien Wai Wan Sit NPPES

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

VIVIEN WAI WAN SIT (NPI 1659283679) is an individual occupational therapist in Lawndale, California, licensed in California (OT7118) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1659283679
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameVIVIEN WAI WAN SIT
Location Address4161 W 147TH STLawndale, CA 90260-1709
Mailing Address4161 W 147th StLawndale, CA 90260-1709 · (310) 973-1300
Sole ProprietorYes
Enumeration DateSeptember 22, 2026
NPPES CertifiedSeptember 22, 2026
✔ NPI 1659283679 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 · OT7118
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.
4161 W 147TH ST, Lawndale, CA 90260

Other Providers at the Same Location NPPES 20

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

Health and Wellness Coach
4161 W 147TH ST
LAWNDALE, CA 90260
Social Worker (School)
4161 W 147TH ST
LAWNDALE, CA 90260
Social Worker (Clinical)
4161 W 147TH ST
LAWNDALE, CA 90260
Speech-Language Pathologist
4161 W 147TH ST
LAWNDALE, CA 90260
Psychologist (School)
4161 W 147TH ST
LAWNDALE, CA 90260
Health and Wellness Coach
4161 W 147TH ST
LAWNDALE, CA 90260
Speech-Language Pathologist
4161 W 147TH ST
LAWNDALE, CA 90260
Health and Wellness Coach
4161 W 147TH ST
LAWNDALE, CA 90260

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 Vivien Sit's NPI number?

The NPI number for Vivien Sit is 1659283679. It was assigned to this individual provider in the NPPES registry on September 22, 2026.

Where is Vivien Sit located?

Vivien Sit practices at 4161 W 147th St, Lawndale, CA 90260. The listed phone number is (310) 973-1300.

What is Vivien Sit'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 Vivien Sit was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.