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Diagnostic Radiology

Jaroslaw K. Janczy, MD

Works at hospitals in Grafton, WI · Summit, WI · Kenosha, WI … · Wisconsin

Summary

Dr. Jaroslaw K. Janczy, MD is a radiologist at 200 E Layton Ave, Milwaukee, WI 53207. Phone: (414) 744-6589. Accepts Medicare assignment. NPI 1871055533. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Jaroslaw K. Janczy, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jaroslaw K. Janczy accept Medicare assignment?
Yes. Medicare's clinician data says Jaroslaw K. Janczy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Jaroslaw K. Janczy's NPI number?
1871055533. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jaroslaw K. Janczy works

Medicare's Facility Affiliation Data lists Jaroslaw K. Janczy at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jaroslaw K. Janczy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jaroslaw K. Janczy as a member of these groups (CMS data updated October 2, 2026).

  • Aurora Medical Group, Inc.3,813 clinicians in the group
  • Aurora Advanced Healthcare, Inc.1,124 clinicians in the group
  • Lakeshore Medical Clinic LLC379 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Wisconsin →

Other radiologists in Milwaukee

Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.

All radiologists in Milwaukee →

Other clinicians in Aurora Medical Group, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2019 (7 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871055533
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians