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Critical Care (Intensivists)

Argyro S. Hatseras, MD

Works at hospitals in Milwaukee, WI · Wisconsin

Summary

Dr. Argyro S. Hatseras, MD is a critical care doctor at 1020 N 12th St, Milwaukee, WI 53233. Phone: (414) 219-3056. Accepts Medicare assignment. In 2024, Argyro S. Hatseras had 18 Original Medicare patients and 31 services. NPI 1194791871. 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.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1020 N 12th St, Milwaukee, WI 53233 · Directions (1 more location)
  • Phone: (414) 219‑3056
  • Medicare: Accepts Medicare assignment
  • Hospital: Aurora St Lukes Medical Center
  • Group practice: Aurora Medical Group, Inc.
  • Medical school: University Of Illinois College Of Med (chi/peor/rock/chm-Urb) · graduated 1988 (38 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Argyro S. Hatseras, 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 Argyro S. Hatseras accept Medicare assignment?
Yes. Medicare's clinician data says Argyro S. Hatseras 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 Argyro S. Hatseras see?
In 2024, CMS data shows 18 Original Medicare patients and 31 services for Argyro S. Hatseras. This counts Original Medicare only and measures volume, not quality.
What is Argyro S. Hatseras's NPI number?
1194791871. 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 Argyro S. Hatseras, 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 patients18
Services billed to Medicare31
Different services or procedures9
Participating Medicare providerYes
Average age of these patients70

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 cholesterol72%
  • Chronic kidney disease67%

Hospitals where Argyro S. Hatseras works

Medicare's Facility Affiliation Data lists Argyro S. Hatseras 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 Argyro S. Hatseras is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Argyro S. Hatseras 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 Critical Care (Intensivists) doctors in Wisconsin →

Other critical care doctors in Milwaukee

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

All critical care doctors 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 schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1194791871
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