NPPES file of Aug 9, 2026

Argyro Sylvia Hatseras, M.D.

Critical Care Medicine (Internal Medicine) Physician · Milwaukee, WI

Argyro Sylvia Hatseras, M.D. is a critical care medicine (internal medicine) physician with a practice address in Milwaukee, Wisconsin, and NPI 1194791871, issued on Feb 23, 2006. Check the license (Wisconsin 56385, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194791871
Name
Argyro Sylvia Hatseras
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License numbers
56385 WI
036104244 IL
Self-reported in NPPES; status is on the state search
Practice location
945 N 12TH St, Milwaukee, WI 53233
Phone
(414) 219-2000
Enumerated
Feb 23, 2006
Record last updated
Nov 12, 2024
Fax
(414) 219-6161
Medicaid IDs
036104244 IL
100017810 WI
Medicare enrollment
Enrolled (PECOS I20111021000497); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 945 N 12TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ahmed Abdelmagid, M.D.Critical Care Medicine (Internal Medicine) Physician1144589383
  2. Mohammad Abdul AzeemNeurology Physician1295229797
  3. Ibrahim Abu-ArqoubPharmacist1033539390
  4. Stephanie Adamczyk, PAPhysician Assistant1063007441
  5. Shant Adamian, DOObstetrics & Gynecology Physician1952861668
  6. Ola AhmadStudent in an Organized Health Care Education/Training Program1629871645

Verify Argyro Sylvia Hatseras in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 56385
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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96% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

25 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.

  1. Argyro Hatseras25
  2. Specialty average696

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Aurora Medical Group, Inc.Milwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Argyro Sylvia Hatseras among 134 critical care medicine (internal medicine) physician records in Wisconsin

Argyro Sylvia Hatseras, M.D. is one of 134 critical care medicine (internal medicine) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 70% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1988 · median 2008 among the 108 with a school on file
  • Record last updated2024 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in Wisconsin

There are 134 critical care medicine (internal medicine) physician records in Wisconsin.

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Ahmed Abdelmagid, M.D.Milwaukee, WI 532331144589383
  2. Kristi Maso, M.D.Milwaukee, WI 532331841588936
  3. Michael Peliska, MDWest Allis, WI 532271861923765
  4. Paul Stevenson, M.D.West Allis, WI 532271386021970
  5. Tara Zehrer, MDWest Allis, WI 532271457745887
  6. Christofer Barth, MDMilwaukee, WI 532261609839554
  7. Mrigank Gupta, MDMilwaukee, WI 532261053816488
  8. Jacob Jentzer, M.D.Milwaukee, WI 532261538334628

Common questions

What is Argyro Sylvia Hatseras, M.D.'s NPI number?

Argyro Sylvia Hatseras, M.D.'s National Provider Identifier (NPI) is 1194791871, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Argyro Sylvia Hatseras, M.D. located?

The NPPES record lists a practice address at 945 N 12TH St, Milwaukee, WI, 53233. Phone: (414) 219-2000. Providers update this record themselves, so call before visiting.

How can I verify Argyro Sylvia Hatseras, M.D.'s license?

NPPES lists Wisconsin license number 56385, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Argyro Sylvia Hatseras, M.D. prescribe under Medicare Part D?

In 2024, Argyro Sylvia Hatseras, M.D. had 25 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.