Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Todd Frederick Harrison, LCSW

Clinical Social Worker in Chicago, IL · enumerated 2006.

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

National Provider Identifier

1861411357

Verified

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Registry record

Entity type Individual (Type 1)

Name Todd Frederick Harrison

Credential LCSW

Sex Male

Practice address 4740 N Clark St, C/O C4, Chicago, IL, 60640

Phone (773) 769-0205

Enumeration date Jul 18, 2006

Last updated in NPPES Jan 8, 2008

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
14900533	Other	IL	BLUE SHIELD

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 Todd Harrison practice?

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

What is the NPI number for Todd Harrison?

The National Provider Identifier (NPI) for Todd Harrison is 1861411357, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-01-08.