Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nell Sather

Q: What is the NPI number for Nell Sather?

The National Provider Identifier (NPI) for Nell Sather is 1659239291, a Type 1 (individual) record in the CMS NPPES registry.

Clinical Social Worker in Hadley, MA · enumerated 2026.

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

National Provider Identifier

1659239291

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Registry record

Entity type Individual (Type 1)

Name Nell Sather

Sex X

Practice address 4 Bay Rd Bldg B, Hadley, MA, 01035

Phone (413) 200-8024

Enumeration date Jan 13, 2026

Last updated in NPPES Jan 13, 2026

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW2141659 (MA) Primary

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 Nell Sather practice?

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

What is the NPI number for Nell Sather?

The National Provider Identifier (NPI) for Nell Sather is 1659239291, a Type 1 (individual) record in the CMS NPPES registry.

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