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Hospitalist

Anna K. Tyszkowska, MD

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

Summary

Dr. Anna K. Tyszkowska, MD is a hospitalist at 975 Port Washington Rd, Grafton, WI 53024. Phone: (262) 329-8650. Accepts Medicare assignment. In 2024, Anna K. Tyszkowska had 293 Original Medicare patients and 318 services. NPI 1720354640. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Anna K. Tyszkowska, 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 Anna K. Tyszkowska accept Medicare assignment?
Yes. Medicare's clinician data says Anna K. Tyszkowska 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.
How many Medicare patients does Anna K. Tyszkowska see?
In 2024, CMS data shows 293 Original Medicare patients and 318 services for Anna K. Tyszkowska. This counts Original Medicare only and measures volume, not quality.
What is Anna K. Tyszkowska's NPI number?
1720354640. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Anna K. Tyszkowska, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients293
Services billed to Medicare318
Different services or procedures6
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)300 services
  2. Critical care, first 30-74 minutes (99291)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis60%
  • Chronic kidney disease52%
  • Heart failure51%
  • Ischemic heart disease47%

Hospitals where Anna K. Tyszkowska works

Medicare's Facility Affiliation Data lists Anna K. Tyszkowska 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 Anna K. Tyszkowska is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna K. Tyszkowska as a member of this group (CMS data updated October 2, 2026).

  • Aurora Medical Group, Inc.3,813 clinicians in the group

Specialties

Find other Hospitalist doctors in Wisconsin →

Other hospitalists in Grafton

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

All hospitalists in Grafton →

Other clinicians in Aurora Medical Group, Inc.

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720354640
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians