MICHAELA MARSTELLER KOWALEWSKI MD
NPI 1912636952
Student in an Organized Health Care Education/Training Program in La Crosse, WI

Active since June 06, 2022PECOS Enrolled
1836 SOUTH AVE, LA CROSSE, WI 54601(608) 782-7300 Get Directions Write a Review

NPPES record last updated: December 9, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 9, 2025, Apr 2, 2024, Jun 6, 2022 (3 updates tracked since 2022).

About Michaela Marsteller Kowalewski Md NPPES

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

MICHAELA MARSTELLER KOWALEWSKI MD (NPI 1912636952) is an individual student in an organized health care education/training program in La Crosse, Wisconsin and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Gundersen Lutheran Medical Center, and maintains a secondary practice location in Onalaska.

NPPES Registry Identity

NPI1912636952
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMICHAELA MARSTELLER KOWALEWSKICredential: MD
Location Address1836 SOUTH AVELa Crosse, WI 54601-5429
Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300
Sole ProprietorNo
Medical School CMSUniversity Of Utah School Of MedicineGraduated 2024
Enumeration DateJune 6, 2022
Last NPPES UpdateDecember 9, 20253 updates tracked since enumeration
NPPES CertifiedDecember 9, 2025
NPI 1912636952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 86223-20 (WI)
1836 SOUTH AVE, La Crosse, WI 54601

Secondary Practice Location 1

Location 13111 Gundersen DrOnalaska, WI 54650-8405 · Phone (608) 782-7300

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Michaela Marsteller Kowalewski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022553700
PECOS Enrollment IDI20260319004030
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520087
Location1910 South AveLa Crosse, WI 54601 · La Crosse County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Anesthesiology
1836 SOUTH AVE, GUNDERSEN CLINIC, LTD.
LA CROSSE, WI 54601
Nurse Anesthetist, Certified Registered
1836 SOUTH AVE
LA CROSSE, WI 54601
Psychologist
1836 SOUTH AVE
LA CROSSE, WI 54601
Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Adult Health)
1836 SOUTH AVE
LA CROSSE, WI 54601
Orthopaedic Surgery
1836 SOUTH AVE
LA CROSSE, WI 54601
Registered Nurse (Addiction (Substance Use Disorder))
1836 SOUTH AVE
LA CROSSE, WI 54601
Nurse Practitioner (Family)
1836 SOUTH AVE
LA CROSSE, WI 54601

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 Michaela Kowalewski's NPI number?

The NPI number for Michaela Kowalewski is 1912636952. It was assigned to this individual provider in the NPPES registry on June 6, 2022.

Where is Michaela Kowalewski located?

Michaela Kowalewski practices at 1836 South Ave, La Crosse, WI 54601. The listed phone number is (608) 782-7300.

What is Michaela Kowalewski's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Michaela Kowalewski enrolled in Medicare?

Yes. Michaela Kowalewski is registered in the Medicare PECOS enrollment system.

Is Michaela Kowalewski affiliated with any hospitals?

According to CMS data, Michaela Kowalewski is affiliated with Gundersen Lutheran Medical Center.

When was this NPI record last updated?

The NPPES record for Michaela Kowalewski was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.