Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lydia Castillo, BCBA
Behavior Analyst in Fresno, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760952451
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Registry record
Entity type Individual (Type 1)
Name Lydia Castillo
Credential BCBA
Sex Female
Practice address 6770 N West Ave Ste 105, Fresno, CA, 93711
Phone (818) 241-6780
Fax (800) 819-7806
Enumeration date Nov 26, 2018
Last updated in NPPES Nov 3, 2021
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-20-45149 (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
Is NPI 1760952451 active?
Yes, as of the latest NPPES snapshot, NPI 1760952451 is active (record last updated 2021-11-03).
How do I verify Lydia Castillo's NPI record?
Cross-check NPI 1760952451 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all → Kristi Martinez Behavior Analyst · Fresno, CA NPI 1801248620 Shantavious Hollins Behavior Technician · Fresno, CA NPI 1306364146 Katy Garcia Behavior Technician · Fresno, CA NPI 1609374438 Justina Baza Behavior Technician · Fresno, CA NPI 1932608742 Joshua Gibson Behavior Analyst · Fresno, CA NPI 1043710106 Nancy Marquez Behavior Analyst · Fresno, CA NPI 1740780568 Jerod Shields Behavior Technician · Fresno, CA NPI 1245732627 Katrina Simental Behavior Technician · Fresno, CA NPI 1114498425
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-03.