Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Jonathan Kaplan, LCSW

Clinical Social Worker in Lake Villa, IL · enumerated 2007.

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

National Provider Identifier

1770618324

Verified

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Registry record

Entity type Individual (Type 1)

Name Mr. Jonathan Kaplan

Credential LCSW

Sex Male

Practice address Lake Villa, IL, 60046

Phone (847) 245-6574

Fax (847) 245-6714

Enumeration date Feb 23, 2007

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

Other identifiers

Identifier	Type	State	Issuer
0034940429	Other	IL	BCBS

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

What is the NPI number for Jonathan Kaplan?

The National Provider Identifier (NPI) for Jonathan Kaplan is 1770618324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jonathan Kaplan practice?

The practice location on file with NPPES is in Lake Villa, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.