KATJA LARONGE SEITZ APNP
NPI 1639030240
Nurse Practitioner - Family in Madison, WI

Q: What is Katja Seitz's NPI number?

The NPI number for Katja Seitz is 1639030240. It was assigned to this individual provider in the NPPES registry on November 21, 2025.

Q: What is Katja Seitz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Katja Seitz was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 21, 2025

206 E OLIN AVE # 101, MADISON, WI 53713(608) 960-7699 Get Directions Write a Review

NPPES record last updated: November 21, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

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About Katja Laronge Seitz Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATJA LARONGE SEITZ APNP (NPI 1639030240) is an individual family provider in Madison, Wisconsin, licensed in Wisconsin (16382-33) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1639030240

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameKATJA LARONGE SEITZCredential: APNP

Location Address206 E OLIN AVE # 101Madison, WI 53713-1434

Mailing Address206 E Olin Ave # 101Madison, WI 53713-1434 · (608) 960-7699

Phone(608) 960-7699

Sole ProprietorNo

Enumeration DateNovember 21, 2025

NPPES CertifiedNovember 21, 2025

✔ NPI 1639030240 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in WI · 16382-33

206 E OLIN AVE # 101, Madison, WI 53713

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katja Seitz's NPI number?

The NPI number for Katja Seitz is 1639030240. It was assigned to this individual provider in the NPPES registry on November 21, 2025.

Where is Katja Seitz located?

Katja Seitz practices at 206 E Olin Ave # 101, Madison, WI 53713. The listed phone number is (608) 960-7699.

What is Katja Seitz's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

When was this NPI record last updated?

The NPPES record for Katja Seitz was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.