IndividualActive
Diana Sierra
NPI 1245197326 · Behavior Technician · Canoga Park, CA
Diana Sierra is a Behavior Technician provider in Canoga Park, CA (NPI 1245197326).
Provider details
- NPI number
- 1245197326
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 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
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
21201 Victory Blvd Ste 205
Canoga Park, CA 91303-4056
Phone: (888) 428-3223
Fax: (323) 866-1881
Street-level locationGet directions
Mailing address
4221 Wilshire Blvd Ste 300a
Los Angeles, CA 90010-3537
Registry dates
- Enumerated
- 2026-01-08
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Diana Sierra's NPI number?
- Diana Sierra's National Provider Identifier (NPI) is 1245197326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Sierra's specialty?
- Diana Sierra is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Diana Sierra located?
- Diana Sierra's practice location on file with NPPES is 21201 Victory Blvd Ste 205, Canoga Park, CA 91303-4056.
- What is Diana Sierra's phone number?
- The practice phone number listed in the NPPES registry for Diana Sierra is (888) 428-3223.
- Is Diana Sierra's NPI active?
- Yes — Diana Sierra's NPI (1245197326) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.