Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gwendolyn Perez, M.S.
Behavior Analyst in Newhall, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538650510
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Registry record
Entity type Individual (Type 1)
Name Gwendolyn Perez
Credential M.S.
Sex Female
Practice address 23030 Lyons Ave Ste 200, Newhall, CA, 91321
Phone (661) 425-7066
Fax (805) 299-4505
Enumeration date May 24, 2018
Last updated in NPPES May 24, 2018
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-18-29360 (CA) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1-18-29360 | Other | CA | BACB |
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
What is the NPI number for Gwendolyn Perez?
The National Provider Identifier (NPI) for Gwendolyn Perez is 1538650510, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gwendolyn Perez practice?
The practice location on file with NPPES is in Newhall, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-05-24.