Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles Austen Hayes, DO

Family Medicine Physician in Osceola, WI · enumerated 2022.

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

National Provider Identifier

1326797598

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Registry record

Entity type Individual (Type 1)

Name Charles Austen Hayes

Credential DO

Sex Male

Practice address 2600 65th Ave, Osceola, WI, 54020

Phone (715) 294-2111

Enumeration date Mar 23, 2022

Last updated in NPPES Aug 5, 2025

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 81324-21 (WI) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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 Charles Hayes's NPI record?

Cross-check NPI 1326797598 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1326797598 active?

Yes, as of the latest NPPES snapshot, NPI 1326797598 is active (record last updated 2025-08-05).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-05.