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Oswaldo Castillo
NPI 1538005087 · Licensed Vocational Nurse · Fontana, CA
Oswaldo Castillo is a Licensed Vocational Nurse provider in Fontana, CA (NPI 1538005087).
Provider details
- NPI number
- 1538005087
- Entity type
- Individual
- Primary specialty
- Licensed Vocational NurseNursing Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 252307 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
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
15217 San Bernardino Ave
Fontana, CA 92335-5327
Phone: (310) 916-8343
Street-level locationGet directions
Mailing address
12971 Quapaw Rd
Apple Valley, CA 92308-4422
Registry dates
- Enumerated
- 2026-04-27
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Oswaldo Castillo's NPI number?
- Oswaldo Castillo's National Provider Identifier (NPI) is 1538005087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oswaldo Castillo's specialty?
- Oswaldo Castillo is listed in the NPPES registry with a primary specialty of Licensed Vocational Nurse (Nursing Service Providers).
- Where is Oswaldo Castillo located?
- Oswaldo Castillo's practice location on file with NPPES is 15217 San Bernardino Ave, Fontana, CA 92335-5327.
- What is Oswaldo Castillo's phone number?
- The practice phone number listed in the NPPES registry for Oswaldo Castillo is (310) 916-8343.
- Is Oswaldo Castillo's NPI active?
- Yes — Oswaldo Castillo's NPI (1538005087) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.