Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Lewis County

Q: What is the NPI number for Lewis County?

The NPI for Lewis County is 1366357444, a Type 2 (organization) record in the CMS NPPES registry.

Prison Health Clinic/Center in Lowville, NY · enumerated 2026 · authorized official Timothy Thayer, Jail Warden/Lieutenant.

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

National Provider Identifier

1366357444

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Registry record

Entity type Organization (Type 2)

Legal business name Lewis County

Practice address 5252 Outer Stowe Street, Lowville, NY, 13367

Phone (315) 376-3511

Fax (315) 376-6177

Enumeration date Aug 14, 2026

Last updated in NPPES Aug 14, 2026

Taxonomy & classification

261QP2400X Prison Health Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Timothy Thayer

Title Jail Warden/Lieutenant

Phone (315) 376-5290

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 Lewis County?

The NPI for Lewis County is 1366357444, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Lewis County?

NPPES lists Timothy Thayer (Jail Warden/Lieutenant) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-14.