Defining Voice
NPI 1629445739 · Speech-Language Pathologist · San Jose, CA
Defining Voice is a Speech-Language Pathologist organization in San Jose, CA (NPI 1629445739).
Provider details
- NPI number
- 1629445739
- Entity type
- Organization
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Organization subpart
- No
- Authorized official
- Sarah Yost, Owner(408) 692-5197
- License
- 1228 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
Other names (DBA / former)
- Doing business as
- Sarah Yost
Registry dates
- Enumerated
- 2015-08-24
- Last updated
- 2017-01-30
Frequently asked questions
- What is Defining Voice's NPI number?
- Defining Voice's National Provider Identifier (NPI) is 1629445739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Defining Voice?
- Defining Voice is classified in the NPPES registry as Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Defining Voice located?
- Defining Voice's practice location on file with NPPES is 357 Piercy Rd, San Jose, CA 95138-1403.
- What is Defining Voice's phone number?
- The practice phone number listed in the NPPES registry for Defining Voice is (408) 692-5197.
- Who is the authorized official for Defining Voice?
- The authorized official listed on Defining Voice's NPPES record is Sarah Yost, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Defining Voice's NPI active?
- Yes — Defining Voice's NPI (1629445739) is active in the NPPES registry as of the last update on 2017-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.