Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rachel Winthrop, LCSW

Clinical Social Worker in Whitefish, MT · enumerated 2025 · practices at Rachel Winthrop Pllc.

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

National Provider Identifier

1720949522

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Registry record

Entity type Individual (Type 1)

Name Rachel Winthrop

Credential LCSW

Sex Female

Practice address 309 Wisconsin Ave Ste 9, Whitefish, MT, 59937

Phone (805) 895-5762

Enumeration date Nov 20, 2025

Last updated in NPPES Apr 15, 2026

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 83516 (MT) 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

What is the NPI number for Rachel Winthrop?

The National Provider Identifier (NPI) for Rachel Winthrop is 1720949522, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rachel Winthrop practice?

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

Other providers at this practice address

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Rachel Winthrop Pllc Clinical Social Worker · Whitefish, MT NPI 1083558704

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-15.