Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexa Andrea Barrera Silva
Behavior Technician in Oakland, CA · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891637237
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Registry record
Entity type Individual (Type 1)
Name Alexa Andrea Barrera Silva
Sex Female
Practice address 3511 E 12th St Apt 145, Oakland, CA, 94601
Phone (510) 529-9872
Enumeration date Apr 6, 2026
Last updated in NPPES Apr 6, 2026
Taxonomy & licenses
106S00000X Behavior Technician Behavioral Health & Social Service Providers · License W9962904 (CA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Alexa Barrera Silva practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Alexa Barrera Silva?
The National Provider Identifier (NPI) for Alexa Barrera Silva is 1891637237, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-06.