Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

LOUISA KOSTRZEWSKI
NPI 1811814213
Nurse Practitioner - Psychiatric/Mental Health in Overland Park, KS

Q: What is Louisa Kostrzewski's NPI number?

The NPI number for Louisa Kostrzewski is 1811814213. It was assigned to this individual provider in the NPPES registry on July 6, 2026.

Q: What is Louisa Kostrzewski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since July 06, 2026

11750 W 135TH ST # 1560, OVERLAND PARK, KS 66221(913) 601-5110 Get Directions Write a Review

NPPES record added: September 13, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 13, 2026, Aug 16, 2026, Jul 21, 2026 and 1 more (4 updates tracked since 2026).

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About Louisa Kostrzewski NPPES

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

LOUISA KOSTRZEWSKI (NPI 1811814213) is an individual psychiatric/mental health provider in Overland Park, Kansas, licensed in Kansas (53-85886-112) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1811814213

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameLOUISA KOSTRZEWSKI

Location Address11750 W 135TH ST # 1560Overland Park, KS 66221-9395

Mailing Address11750 W 135th St # 1560Overland Park, KS 66221-9395 · (913) 601-5110

Phone(913) 601-5110

Sole ProprietorNo

Enumeration DateJuly 6, 2026

Last NPPES UpdateSeptember 13, 20264 updates tracked since enumeration

NPPES CertifiedSeptember 13, 2026

✔ NPI 1811814213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in KS · 53-85886-112

11750 W 135TH ST # 1560, Overland Park, KS 66221

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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 Louisa Kostrzewski's NPI number?

The NPI number for Louisa Kostrzewski is 1811814213. It was assigned to this individual provider in the NPPES registry on July 6, 2026.

Where is Louisa Kostrzewski located?

Louisa Kostrzewski practices at 11750 W 135th St # 1560, Overland Park, KS 66221. The listed phone number is (913) 601-5110.

What is Louisa Kostrzewski's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Louisa Kostrzewski was last updated on September 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.