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Anesthesiology

Angela M. Arndt, MD

Works at hospitals in Grafton, WI · Hartford, WI · Wisconsin

Summary

Dr. Angela M. Arndt, MD is an anesthesiologist at 1020 N 12th St, Milwaukee, WI 53233. Phone: (414) 219-3056. Accepts Medicare assignment. In 2024, Angela M. Arndt had 166 Original Medicare patients and 202 services. NPI 1689632317. 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 Angela M. Arndt, 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 Angela M. Arndt accept Medicare assignment?
Yes. Medicare's clinician data says Angela M. Arndt 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 Angela M. Arndt see?
In 2024, CMS data shows 166 Original Medicare patients and 202 services for Angela M. Arndt. This counts Original Medicare only and measures volume, not quality.
What is Angela M. Arndt's NPI number?
1689632317. 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 Angela M. Arndt, 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 patients166
Services billed to Medicare202
Different services or procedures55
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)23 services
  2. Anesthesia for lens surgery (00142)18 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 cholesterol75%
  • High blood pressure71%
  • Arthritis53%
  • Ischemic heart disease31%
  • Diabetes28%
  • Chronic kidney disease25%

Hospitals where Angela M. Arndt works

Medicare's Facility Affiliation Data lists Angela M. Arndt 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.

  • Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
  • Aurora Medical Center Washington CountyHartford, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520038

Practice locations

Addresses where Angela M. Arndt is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Angela M. Arndt 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 Anesthesiology doctors in Wisconsin →

Other anesthesiologists in Milwaukee

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

All anesthesiologists 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 Wisconsin School Of Medicine
Graduation year2002 (24 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689632317
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