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Mervin Castrejon
NPI 1508503616 · Behavior Technician · Montclair, CA
Mervin Castrejon is a Behavior Technician provider in Montclair, CA (NPI 1508503616).
Provider details
- NPI number
- 1508503616
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
Attn: Behavioral Health Works 4950 San Bernardino St
Montclair, CA 91763
Phone: (800) 249-1266
Street-level locationGet directions
Mailing address
1301 E Orangewood Ave
Anaheim, CA 92805-6807
Registry dates
- Enumerated
- 2022-05-19
- Last updated
- 2022-05-19
- Certified
- 2022-05-03
Frequently asked questions
- What is Mervin Castrejon's NPI number?
- Mervin Castrejon's National Provider Identifier (NPI) is 1508503616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mervin Castrejon's specialty?
- Mervin Castrejon is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Mervin Castrejon located?
- Mervin Castrejon's practice location on file with NPPES is Attn: Behavioral Health Works 4950 San Bernardino St, Montclair, CA 91763.
- What is Mervin Castrejon's phone number?
- The practice phone number listed in the NPPES registry for Mervin Castrejon is (800) 249-1266.
- Is Mervin Castrejon's NPI active?
- Yes — Mervin Castrejon's NPI (1508503616) is active in the NPPES registry as of the last update on 2022-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.