Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Junjia Gu
Social Worker in Arcadia, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578361945
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Registry record
Entity type Individual (Type 1)
Name Junjia Gu
Sex Female
Practice address 1250 Holly Ave, Arcadia, CA, 91007
Phone (626) 698-5957
Enumeration date Mar 3, 2025
Last updated in NPPES Mar 3, 2025
Taxonomy & licenses
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 Junjia Gu practice?
The practice location on file with NPPES is in Arcadia, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Junjia Gu?
The National Provider Identifier (NPI) for Junjia Gu is 1578361945, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-03.