Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lenny Del Rosario

Social Worker in Lexington, KY · enumerated 2012.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639427826

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Registry record

Entity type Individual (Type 1)

Name Lenny Del Rosario

Sex Male

Practice address 343 Waller Ave Ste 201, Lexington, KY, 40504

Phone (859) 271-9448

Enumeration date Aug 21, 2012

Last updated in NPPES Aug 23, 2012

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers 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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Lenny Del Rosario's NPI record?

Cross-check NPI 1639427826 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1639427826 active?

Yes, as of the latest NPPES snapshot, NPI 1639427826 is active (record last updated 2012-08-23).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-23.