Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Michaela Marsteller Kowalewski, MD

Individual provider Family Medicine Physician · NPI 1912636952

Michaela Marsteller Kowalewski, MD is a Family Practice in LA Crosse, Wisconsin. Graduated from University of Utah School of Medicine in 2024, 2 years ago. Practices with Gundersen Lutheran Medical Center Inc, a 896-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
2
Trained at
University of Utah School of Medicine
Licensed in
WI
In the registry since
2022
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1836 S Ave
LA Crosse, WI 54601-5429
Phone: (608) 782-7300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3111 Gundersen Dr, Onalaska, WI 54650-8405 — (608) 782-7300

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Family Medicine Physician Taxonomy 207Q00000X · Licence 86223-20 (WI)

Record details

NPI number1912636952
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 6, 2022
Last updated in NPPESDecember 9, 2025
Certification dateDecember 9, 2025
Mailing address1836 South Ave, La Crosse, WI 54601-5429

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF UTAH SCHOOL OF MEDICINE
Graduated 2024 (2 years in practice)
Group practice Gundersen Lutheran Medical Center Inc — 896 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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