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

Osie K Halfaker

Registered Nurse First Assistant in Saint Charles, MO · enumerated 2021 · practices at St. Louis First Assistants,LLC.

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

National Provider Identifier

1407525934

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Registry record

Entity type Individual (Type 1)

Name Osie K Halfaker

Sex Female

Practice address Saint Charles, MO, 63303

Phone (636) 244-0704

Fax (636) 244-0704

Enumeration date Sep 8, 2021

Last updated in NPPES Sep 8, 2021

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

Taxonomy & licenses

163WR0006X Registered Nurse First Assistant Nursing Service Providers · License 061783 (MO) 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.

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Frequently asked questions

How do I verify Osie Halfaker's NPI record?

Cross-check NPI 1407525934 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1407525934 active?

Yes, as of the latest NPPES snapshot, NPI 1407525934 is active (record last updated 2021-09-08).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-08.