IndividualActive
Gustavo Sierra
NPI 1265294037 · Behavior Technician · Barstow, CA
Gustavo Sierra is a Behavior Technician provider in Barstow, CA (NPI 1265294037).
Provider details
- NPI number
- 1265294037
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- RBT-25-481176 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% 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
1633 Paloma St
Barstow, CA 92311-5614
Phone: (442) 309-6244
Street-level locationGet directions
Mailing address
1633 Paloma St
Barstow, CA 92311-5614
Registry dates
- Enumerated
- 2024-01-26
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Frequently asked questions
- What is Gustavo Sierra's NPI number?
- Gustavo Sierra's National Provider Identifier (NPI) is 1265294037, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustavo Sierra's specialty?
- Gustavo Sierra is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Gustavo Sierra located?
- Gustavo Sierra's practice location on file with NPPES is 1633 Paloma St, Barstow, CA 92311-5614.
- What is Gustavo Sierra's phone number?
- The practice phone number listed in the NPPES registry for Gustavo Sierra is (442) 309-6244.
- Is Gustavo Sierra's NPI active?
- Yes — Gustavo Sierra's NPI (1265294037) is active in the NPPES registry as of the last update on 2026-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.