IndividualActive
Alejandra Castellanos
NPI 1508333436 · Behavior Technician · Montclair, CA
Alejandra Castellanos is a Behavior Technician provider in Montclair, CA (NPI 1508333436).
Provider details
- NPI number
- 1508333436
- 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(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
4950 San Bernardino St Ste 101
Montclair, CA 91763-2328
Phone: (800) 749-1965
Street-level locationGet directions
Mailing address
4950 San Bernardino St Ste 101
Montclair, CA 91763-2328
Registry dates
- Enumerated
- 2018-10-29
- Last updated
- 2018-10-29
Frequently asked questions
- What is Alejandra Castellanos's NPI number?
- Alejandra Castellanos's National Provider Identifier (NPI) is 1508333436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandra Castellanos's specialty?
- Alejandra Castellanos is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Alejandra Castellanos located?
- Alejandra Castellanos's practice location on file with NPPES is 4950 San Bernardino St Ste 101, Montclair, CA 91763-2328.
- What is Alejandra Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Alejandra Castellanos is (800) 749-1965.
- Is Alejandra Castellanos's NPI active?
- Yes — Alejandra Castellanos's NPI (1508333436) is active in the NPPES registry as of the last update on 2018-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.