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

ANDREA ESTHER HSIEH
NPI 1821997347
Specialist/Technologist - Speech-Language Assistant in Norwalk, CA

Active since November 02, 2026
12440 FIRESTONE BLVD, NORWALK, CA 90650(310) 892-5812(310) 362-8948 Get Directions Write a Review

NPPES record added: November 2, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Andrea Esther Hsieh NPPES

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

ANDREA ESTHER HSIEH (NPI 1821997347) is an individual speech-language assistant in Norwalk, California, licensed in California (10476) and active in the NPI registry since November 2026.

NPPES Registry Identity

NPI1821997347
Entity TypeIndividualFemale
Primary Taxonomy2355S0801X
Provider Legal NameANDREA ESTHER HSIEH
Location Address12440 FIRESTONE BLVDNorwalk, CA 90650-4328
Mailing Address12440 Firestone BlvdNorwalk, CA 90650-4328 · (310) 892-5812 · Fax (310) 362-8948
Fax(310) 362-8948
Sole ProprietorNo
Enumeration DateNovember 2, 2026
NPPES CertifiedNovember 2, 2026
✔ NPI 1821997347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist/Technologist · Speech-Language AssistantSpeech, Language and Hearing Service Providers
Taxonomy Code2355S0801X
License✔ Licensed in CA · 10476
12440 FIRESTONE BLVD, Norwalk, CA 90650

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.

Counselor
12440 FIRESTONE BLVD
NORWALK, CA 90650
Counselor (Mental Health)
12440 FIRESTONE BLVD, SUITE 316
NORWALK, CA 90650
Counselor
12440 FIRESTONE BLVD
NORWALK, CA 90650
Counselor
12440 FIRESTONE BLVD
NORWALK, CA 90650
Day Training/Habilitation Specialist
12440 FIRESTONE BLVD
NORWALK, CA 90650
Community Health Worker
12440 FIRESTONE BLVD, 316
NORWALK, CA 90650
Case Manager/Care Coordinator
12440 FIRESTONE BLVD, SUITE 3020
NORWALK, CA 90650
Specialist
12440 FIRESTONE BLVD, SUITE 3025
NORWALK, CA 90650

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 Andrea Hsieh's NPI number?

The NPI number for Andrea Hsieh is 1821997347. It was assigned to this individual provider in the NPPES registry on November 2, 2026.

Where is Andrea Hsieh located?

Andrea Hsieh practices at 12440 Firestone Blvd, Norwalk, CA 90650. The listed phone number is (310) 892-5812.

What is Andrea Hsieh's specialty?

The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.

When was this NPI record last updated?

The NPPES record for Andrea Hsieh was last updated on November 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.