Samantha Castellanos, SLPA
NPI 1841140621 · Speech-Language Assistant · Tracy, CA
Samantha Castellanos, SLPA is a Speech-Language Assistant provider in Tracy, CA (NPI 1841140621).
Provider details
- NPI number
- 1841140621
- Entity type
- Individual
- Primary specialty
- Speech-Language AssistantSpeech, Language and Hearing Service Providers
- Credential
- SLPA
- Sex
- Female
- Sole proprietor
- No
- License
- 10073 (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
Under 1 yr in 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
- 2026-01-30
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Samantha Castellanos's NPI number?
- Samantha Castellanos's National Provider Identifier (NPI) is 1841140621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samantha Castellanos's specialty?
- Samantha Castellanos is listed in the NPPES registry with a primary specialty of Speech-Language Assistant (Speech, Language and Hearing Service Providers).
- Where is Samantha Castellanos located?
- Samantha Castellanos's practice location on file with NPPES is 632 W 11th St Ste 119, Tracy, CA 95376-3860.
- What is Samantha Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Samantha Castellanos is (925) 399-5796.
- Is Samantha Castellanos's NPI active?
- Yes — Samantha Castellanos's NPI (1841140621) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.