Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Samantha Marie Larson, MSW, LCSW

Clinical Social Worker in Sister Bay, WI · enumerated 2020.

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

National Provider Identifier

1740899285

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Registry record

Entity type Individual (Type 1)

Name Samantha Marie Larson

Credential MSW, LCSW

Sex Female

Practice address 2345 Canterbury Ln, Sister Bay, WI, 54234

Phone (920) 868-3511

Fax (608) 270-0467

Enumeration date Jul 30, 2020

Last updated in NPPES Jan 16, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 131979-121 (WI) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 11314-123 (WI) Primary

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

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 Samantha Larson practice?

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

What is the NPI number for Samantha Larson?

The National Provider Identifier (NPI) for Samantha Larson is 1740899285, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-16.