Steven Castillo
NPI 1467917245 · Addiction (Substance Use Disorder) Counselor · Los Alamitos, CA
Steven Castillo is a Addiction (Substance Use Disorder) Counselor provider in Los Alamitos, CA (NPI 1467917245).
Provider details
- NPI number
- 1467917245
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
2 documented practice locations
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
Additional practice locations (1)
- 4388 Katella AveLos Alamitos, CA 90720Phone: (562) 596-0050Fax: (562) 596-0058
Registry dates
- Enumerated
- 2019-02-05
- Last updated
- 2019-07-08
Frequently asked questions
- What is Steven Castillo's NPI number?
- Steven Castillo's National Provider Identifier (NPI) is 1467917245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Castillo's specialty?
- Steven Castillo is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Steven Castillo located?
- Steven Castillo's practice location on file with NPPES is 4388 Katella Ave, Los Alamitos, CA 90720.
- What is Steven Castillo's phone number?
- The practice phone number listed in the NPPES registry for Steven Castillo is (562) 596-0050.
- Is Steven Castillo's NPI active?
- Yes — Steven Castillo's NPI (1467917245) is active in the NPPES registry as of the last update on 2019-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.