Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Walda C Chesnut, LCSW-R

Clinical Social Worker in Niskayuna, NY · enumerated 2005.

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

National Provider Identifier

1639161060

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Registry record

Entity type Individual (Type 1)

Name Ms. Walda C Chesnut

Credential LCSW-R

Sex Female

Practice address 2310 Nott Street East, Suite 3, Niskayuna, NY, 12309

Phone (518) 374-6263

Fax (518) 289-5225

Enumeration date Aug 22, 2005

Last updated in NPPES Sep 8, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 069258-1 (NY) Primary

Other identifiers

Identifier	Type	State	Issuer
00347562	Medicaid	NY	-

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 Walda Chesnut?

The National Provider Identifier (NPI) for Walda Chesnut is 1639161060, a Type 1 (individual) record in the CMS NPPES registry.

Where does Walda Chesnut practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-09-08.