Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jennie Tess Jahn, NP

Family Nurse Practitioner in Hayward, WI · enumerated 2023.

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

National Provider Identifier

1841064805

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Registry record

Entity type Individual (Type 1)

Name Jennie Tess Jahn

Credential NP

Sex Female

Practice address 9940 N County Highway K, Hayward, WI, 54843

Phone (715) 638-5100

Fax (715) 634-2740

Enumeration date Nov 9, 2023

Last updated in NPPES Jun 18, 2026

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5999515-4405 (UT) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 16142 (WI) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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

Is NPI 1841064805 active?

Yes, as of the latest NPPES snapshot, NPI 1841064805 is active (record last updated 2026-06-18).

How do I verify Jennie Jahn's NPI record?

Cross-check NPI 1841064805 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-18.