Vivian Hsu, M.A., CCC-SLP
NPI 1639421647 · Speech-Language Pathologist · Torrance, CA
Vivian Hsu, M.A., CCC-SLP is a Speech-Language Pathologist provider in Torrance, CA (NPI 1639421647).
Provider details
- NPI number
- 1639421647
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11758 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-10-15
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Vivian Hsu's NPI number?
- Vivian Hsu's National Provider Identifier (NPI) is 1639421647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Hsu's specialty?
- Vivian Hsu is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Vivian Hsu located?
- Vivian Hsu's practice location on file with NPPES is 3424 W Carson St Ste 210, Torrance, CA 90503-5736.
- What is Vivian Hsu's phone number?
- The practice phone number listed in the NPPES registry for Vivian Hsu is (310) 977-1499.
- Is Vivian Hsu's NPI active?
- Yes — Vivian Hsu's NPI (1639421647) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.