Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diane Sue Naar, MSW LSW
Social Worker in West Orange, NJ · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1528774387
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Registry record
Entity type Individual (Type 1)
Name Diane Sue Naar
Credential MSW LSW
Sex Female
Practice address 639 Eagle Rock Ave, West Orange, NJ, 07052
Phone (855) 274-3395
Enumeration date Jan 25, 2023
Last updated in NPPES Jan 25, 2023
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 44SL00369400 (NJ) 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 Diane Naar practice?
The practice location on file with NPPES is in West Orange, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diane Naar?
The National Provider Identifier (NPI) for Diane Naar is 1528774387, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-01-25.