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Anesthesiology

David Hammer, DO

Works at hospitals in Oshkosh, WI · Aberdeen, SD · Wisconsin, South Dakota

Summary

David Hammer, DO (Anesthesiology) is listed by Medicare at 2 hospitals in Oshkosh, WI and Aberdeen, SD. NPI 1619969862. 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 Hammer, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
26Years since medical school (graduated 2000)
MaleGender (as listed)
Aurora Medical Group, Inc.Group practice (+3 more)

Quick answers

Which hospitals does David Hammer work at?
Medicare's official clinician data lists David Hammer at 2 hospitals: Aurora Medical Ctr Oshkosh and Avera St Lukes. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Hammer see patients?
Medicare's clinician data lists 7 practice locations, including Milwaukee, WI, Marinette, WI and Aberdeen, SD. Call before your visit to confirm the address.
What is David Hammer's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does David Hammer accept Medicare assignment?
Yes. Medicare's clinician data says David Hammer 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 Hammer?
(414) 219-3056, as listed in official Medicare / NPI Registry data.
What is David Hammer's NPI number?
1619969862. 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 Hammer works

Medicare's Facility Affiliation Data lists David Hammer 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 Hammer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.

Group practices

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

  • Aurora Medical Group, Inc.3,813 clinicians in the group
  • Avera St Lukes165 clinicians in the group
  • PBS Anesthesia LLC43 clinicians in the group
  • Nevada Anesthesia Team PLLC4 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 →

Clinician information

CredentialDO
Graduation year2000
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619969862
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