Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

North Oaks Internal Medicine

Specialist in Hammond, LA · enumerated 2006 · authorized official Margaret Winkler, Doctor/Owner.

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

National Provider Identifier

1942389986

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Registry record

Entity type Organization (Type 2)

Legal business name North Oaks Internal Medicine

Practice address 15744 Medical Arts Dr, Hammond, LA, 70403

Phone (985) 345-4484

Fax (985) 345-0782

Enumeration date Nov 2, 2006

Last updated in NPPES May 27, 2008

Taxonomy & classification

174400000X Specialist Other Service Providers · License 11363 (LA) Primary

Authorized official

Name Margaret Winkler

Title Doctor/Owner

Phone (985) 345-4484

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

Where is North Oaks Internal Medicine located?

The practice location on file with NPPES is in Hammond, LA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-05-27. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-27.