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THAO NGUYEN SIEBEN SLP
NPI 1780156430
Speech-Language Pathologist in San Jose, CA

Active since December 19, 2018
2020 FOREST AVE STE 7, SAN JOSE, CA 95128(408) 982-3340 Get Directions Write a Review

NPPES record last updated: June 16, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Thao Nguyen Sieben Slp NPPES

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

THAO NGUYEN SIEBEN SLP (NPI 1780156430) is an individual speech-language pathologist provider in San Jose, California and active in the NPI registry since December 2018. She maintains a secondary practice location in Fremont.

NPPES Registry Identity

NPI1780156430
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameTHAO NGUYEN SIEBENCredential: SLP
Location Address2020 FOREST AVE STE 7San Jose, CA 95128-4805
Mailing Address2020 Forest Ave Ste 7San Jose, CA 95128-4805 · (408) 982-3340
Phone(408) 982-3340
Sole ProprietorNo
Enumeration DateDecember 19, 2018
Last NPPES UpdateJune 16, 2022
NPPES CertifiedJune 16, 2022
✔ NPI 1780156430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
Also ListedBehavior TechnicianTaxonomy 106S00000X
2020 FOREST AVE STE 7, San Jose, CA 95128
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Secondary Practice Location 1

Location 139420 Liberty St Ste 150Fremont, CA 94538-2284 · Phone (510) 794-5155

Other Providers at the Same Location NPPES 8

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

JANET HAN
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (800) 538-8365
AMY NGUYEN MA, CF-SLP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 982-3240
RAE ENRIQUEZ CCC-SLP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 982-3340
MS. BONNIE LYNN FABER MFT
Marriage & Family Therapist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 836-4110
MS. ALISA JANE MARQUARDT MA CCC-SLP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 982-3340
AMY HEINTZ MA CCC-SLP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 982-3340
MELISSA ISAMAR GARCIA MA, CCC-SLP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 314-7279
KEYS TO COMMUNICATION SPEECH PATHOLOGY CORP
Speech-Language Pathologist
2020 FOREST AVE STE 7
SAN JOSE, CA 95128
Santa Clara County (408) 982-3240

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 Thao Sieben's NPI number?

The NPI number for Thao Sieben is 1780156430. It was assigned to this individual provider in the NPPES registry on December 19, 2018.

Where is Thao Sieben located?

Thao Sieben practices at 2020 Forest Ave Ste 7, San Jose, CA 95128. The listed phone number is (408) 982-3340.

What is Thao Sieben's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

When was this NPI record last updated?

The NPPES record for Thao Sieben was last updated on June 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.