IndividualActive
Josephina Castillo
NPI 1871094607 · Behavior Technician · Hayward, CA
Josephina Castillo is a Behavior Technician provider in Hayward, CA (NPI 1871094607).
Provider details
- NPI number
- 1871094607
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(62/100 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
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
1558 B St
201
Hayward, CA 94541
Phone: (510) 750-1650
Street-level locationGet directions
Mailing address
1558 B St
Hayward, CA 94541
Registry dates
- Enumerated
- 2018-02-27
- Last updated
- 2018-02-27
Frequently asked questions
- What is Josephina Castillo's NPI number?
- Josephina Castillo's National Provider Identifier (NPI) is 1871094607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josephina Castillo's specialty?
- Josephina Castillo is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Josephina Castillo located?
- Josephina Castillo's practice location on file with NPPES is 1558 B St, Hayward, CA 94541.
- What is Josephina Castillo's phone number?
- The practice phone number listed in the NPPES registry for Josephina Castillo is (510) 750-1650.
- Is Josephina Castillo's NPI active?
- Yes — Josephina Castillo's NPI (1871094607) is active in the NPPES registry as of the last update on 2018-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.