Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alison L Yezarski

Licensed Practical Nurse in West Islip, NY · enumerated 2022.

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

National Provider Identifier

1760104947

Verified

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Registry record

Entity type Individual (Type 1)

Name Alison L Yezarski

Sex Female

Practice address 43 Alinda Ave, West Islip, NY, 11795

Phone (631) 702-5359

Enumeration date Sep 14, 2022

Last updated in NPPES Sep 14, 2022

Taxonomy & licenses

164W00000X Licensed Practical Nurse Nursing Service Providers · License 344263 (NY) 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Alison Yezarski?

Alison Yezarski is registered in NPPES with the primary taxonomy of Licensed Practical Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-14.