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Emergency Medicine

Natalia A. Rumas, MD

Works at hospitals in Milwaukee, WI · Menomonee Falls, WI · Wisconsin

Summary

Natalia A. Rumas, MD (Emergency Medicine) is listed by Medicare at 3 hospitals in Milwaukee, WI and Menomonee Falls, WI. NPI 1003233016. 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 Natalia A. Rumas, 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
12Years since medical school (graduated 2014)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
FemaleGender (as listed)
Emergency Medicine Specialists SCGroup practice

Quick answers

Which hospitals does Natalia A. Rumas work at?
Medicare's official clinician data lists Natalia A. Rumas at 3 hospitals: Ascension Columbia St Marys Hospital Milwaukee, Ascension SE Wisconsin Hospital and Ascension Wisconsin Hosp Menomonee Falls Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Natalia A. Rumas see patients?
Medicare's clinician data lists 4 practice locations, including Franklin, WI, Grafton, WI and Milwaukee, WI. Call before your visit to confirm the address.
What is Natalia A. Rumas's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Natalia A. Rumas accept Medicare assignment?
Yes. Medicare's clinician data says Natalia A. Rumas 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 Natalia A. Rumas?
(414) 325-4700, as listed in official Medicare / NPI Registry data.
What is Natalia A. Rumas's NPI number?
1003233016. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Natalia A. Rumas works

Medicare's Facility Affiliation Data lists Natalia A. Rumas 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 Natalia A. Rumas is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Natalia A. Rumas as a member of this group (CMS data updated 2026-10-02).

  • Emergency Medicine Specialists SC227 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Wisconsin →

Other emergency medicine doctors in Franklin

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

All emergency medicine doctors in Franklin →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1003233016
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