Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Courtney Sierra Ness, LICSW

Clinical Social Worker in Lebanon, NH · enumerated 2013.

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

National Provider Identifier

1831531078

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Registry record

Entity type Individual (Type 1)

Name Ms. Courtney Sierra Ness

Credential LICSW

Sex Female

Practice address 85 Mechanic St, Suite 360, Lebanon, NH, 03766

Phone (603) 448-5610

Enumeration date Jul 29, 2013

Last updated in NPPES Jun 30, 2021

Taxonomy & licenses

171M00000X Case Manager/Care Coordinator Other Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 089.0134398 (VT) 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

What is the NPI number for Courtney Ness?

The National Provider Identifier (NPI) for Courtney Ness is 1831531078, a Type 1 (individual) record in the CMS NPPES registry.

Where does Courtney Ness practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-30.