Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tiffany Dianne Johnson, LCSW

Clinical Social Worker in Clarksville, IN · enumerated 2014.

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

National Provider Identifier

1124442603

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Registry record

Entity type Individual (Type 1)

Name Tiffany Dianne Johnson

Credential LCSW

Sex Female

Practice address 757 E Lewis and Clark Pkwy # 2031, Clarksville, IN, 47129

Phone (502) 536-8848

Enumeration date Feb 5, 2014

Last updated in NPPES Aug 19, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 259524 (KY) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 0009920292 (CO) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 34007645A (IN) 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
1124442603	Other	-	NPI
34007645A	Other	IN	LCSW
259524	Other	KY	LCSW
0009920292	Other	CO	LSW

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

Where does Tiffany Johnson practice?

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

What is the NPI number for Tiffany Johnson?

The National Provider Identifier (NPI) for Tiffany Johnson is 1124442603, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-19.