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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

Active since July 06, 2026PECOS Enrolled
11750 W 135TH ST # 1560, OVERLAND PARK, KS 66221(913) 601-5110 Get Directions Write a Review

NPPES record last updated: September 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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

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. She is enrolled in Medicare PECOS.

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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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Louisa Kostrzewski is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 66221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.98 typical visit price
range $53.00 – $161.67
Typical copayment $20.49 (range $13.25 – $40.41)
Most-billed visit code 99203
Established Patient
$94.12 typical visit price
range $16.88 – $132.11
Typical copayment $23.53 (range $4.22 – $33.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Is Louisa Kostrzewski enrolled in Medicare?

Yes. Louisa Kostrzewski is registered in the Medicare PECOS enrollment system.

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 56 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.