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Emergency Medicine

David Koenig, DO

Works at hospitals in Milwaukee, WI · West Allis, WI · Wisconsin

Summary

David Koenig, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Milwaukee, WI and West Allis, WI. NPI 1346739042. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David Koenig, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Des Moines University Of Osteopathic Medicine And Health SciencesMedical school
MaleGender (as listed)
Aurora Medical Group, Inc.Group practice (+1 more)

Quick answers

Which hospitals does David Koenig work at?
Medicare's official clinician data lists David Koenig at 2 hospitals: Aurora St Lukes Medical Center and West Allis Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Koenig see patients?
Medicare's clinician data lists 3 practice locations, including Milwaukee, WI, Sheboygan, WI and Cudahy, WI. Call before your visit to confirm the address.
What is David Koenig's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does David Koenig accept Medicare assignment?
Yes. Medicare's clinician data says David Koenig accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for David Koenig?
(414) 649-6588, as listed in official Medicare / NPI Registry data.
What is David Koenig's NPI number?
1346739042. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Koenig works

Medicare's Facility Affiliation Data lists David Koenig at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where David Koenig is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists David Koenig as a member of these groups (CMS data updated 2026-10-02).

  • Aurora Medical Group, Inc.3,813 clinicians in the group
  • Ermed, SC45 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Wisconsin →

Other emergency medicine doctors in Milwaukee

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

All emergency medicine doctors in Milwaukee →

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346739042
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians