Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Liliana De Leon
Social Worker in Duarte, CA · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619390168
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Registry record
Entity type Individual (Type 1)
Name Liliana De Leon
Sex Female
Practice address 2502 E. Huntington Dr., Duarte, CA, 91010
Phone (626) 263-9133
Fax (626) 288-1026
Enumeration date Feb 3, 2014
Last updated in NPPES Feb 3, 2014
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License ASW32692 (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
What is the NPI number for Liliana De Leon?
The National Provider Identifier (NPI) for Liliana De Leon is 1619390168, a Type 1 (individual) record in the CMS NPPES registry.
Where does Liliana De Leon practice?
The practice location on file with NPPES is in Duarte, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michelle Culver Marriage & Family Therapist · Duarte, CA NPI 1225163017 Theresa Whittaker Case Manager/Care Coordinator · Duarte, CA NPI 1558499392 Ida Hernandez Counselor · Duarte, CA NPI 1093992133 Tamara Hyde Marriage & Family Therapist · Duarte, CA NPI 1164698528 Lynn Tansey Marriage & Family Therapist · Duarte, CA NPI 1730339607 Jenine Abarca Marriage & Family Therapist · Duarte, CA NPI 1073825196 Maryvale Community/Behavioral Health Agency · Duarte, CA NPI 1831489681 Vanessa Ortega Marriage & Family Therapist · Duarte, CA NPI 1235409897
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-02-03.