Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Alison Guerin, LPN

Licensed Practical Nurse in Patchogue, NY · enumerated 2019.

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

National Provider Identifier

1740836790

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Registry record

Entity type Individual (Type 1)

Name Alison Guerin

Credential LPN

Sex Female

Practice address Patchogue, NY, 11772

Phone (631) 487-4048

Enumeration date Aug 15, 2019

Last updated in NPPES Aug 15, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

164W00000X Licensed Practical Nurse Nursing Service Providers · License 316265 (NY) Primary

LPN · Licensed Practical Nurse: A nurse providing basic care under the direction of RNs and physicians. About the LPN credential

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

How do I verify Alison Guerin's NPI record?

Cross-check NPI 1740836790 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1740836790 active?

Yes, as of the latest NPPES snapshot, NPI 1740836790 is active (record last updated 2019-08-15).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-15.