IndividualActive
Cassandra Sierra
NPI 1477079655 · Speech-Language Assistant · Tracy, CA
Provider details
- NPI number
- 1477079655
- Entity type
- Individual
- Primary specialty
- Speech-Language AssistantSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Student, Health Care
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
632 W 11th St Ste 119
Tracy, CA 95376
Phone: (925) 470-6948
Street-level locationGet directions
Mailing address
632 W 11th St Ste 119
Tracy, CA 95376-3860
Additional practice locations (2)
- 1500 S. Ave. KStation 3 ShrocPortales, NM 88130Phone: (575) 562-4232
- 1500 S. Ave. KStation 3 ShrocPortales, NM 88130Phone: (575) 562-4232
Registry dates
- Enumerated
- 2017-08-18
- Last updated
- 2019-09-28
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.