Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Juan Castro Jr.
Social Worker in Santa Ana, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679252993
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Registry record
Entity type Individual (Type 1)
Name Juan Castro Jr.
Sex Male
Practice address 19356 Saylor Ter, Santa Ana, CA, 92705
Phone (714) 543-5437
Enumeration date Jul 13, 2023
Last updated in NPPES May 6, 2025
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License ACSW116274 (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 Juan Castro practice?
The practice location on file with NPPES is in Santa Ana, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Juan Castro?
The National Provider Identifier (NPI) for Juan Castro is 1679252993, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Fritzi Valladares Clinical Social Worker · Santa Ana, CA NPI 1902275175 Carla Aparicio Counselor · Santa Ana, CA NPI 1235698069 Brenda Solano Clinical Social Worker · Santa Ana, CA NPI 1154931079 Sara Guibert Clinical Social Worker · Santa Ana, CA NPI 1295404580 Erika Gavilanes Day Training/Habilitation Specialist · Santa Ana, CA NPI 1164105003 Sarah Jacobo Day Training/Habilitation Specialist · Santa Ana, CA NPI 1699551671 Melanie Martin Marriage & Family Therapist · Santa Ana, CA NPI 1003680323 Rudy Reyes Day Training/Habilitation Specialist · Santa Ana, CA NPI 1124842521
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-06.