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Emergency Medicine

Brenda Sommerdorf, MD

Works at hospitals in Newton, IA · Hibbing, MN · Iowa, Minnesota

Summary

Dr. Brenda Sommerdorf, MD is an emergency medicine doctor at 204 N 4th Ave E, Newton, IA 50208. Phone: (641) 792-1273. Accepts Medicare assignment. In 2024, Brenda Sommerdorf had 181 Original Medicare patients and 267 services. NPI 1457301038. 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.

  • Specialty: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 204 N 4th Ave E, Newton, IA 50208 · Directions (1 more location)
  • Phone: (641) 792‑1273
  • Medicare: Accepts Medicare assignment
  • Hospitals: MercyOne Newton Medical Center, Range Regional Health Services
  • Group practice: Range Regional Health Services (+1 more)
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Brenda Sommerdorf, 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 Brenda Sommerdorf accept Medicare assignment?
Yes. Medicare's clinician data says Brenda Sommerdorf 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 Brenda Sommerdorf see?
In 2024, CMS data shows 181 Original Medicare patients and 267 services for Brenda Sommerdorf. This counts Original Medicare only and measures volume, not quality.
What is Brenda Sommerdorf's NPI number?
1457301038. 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 Brenda Sommerdorf, 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 patients181
Services billed to Medicare267
Different services or procedures17
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)97 services
  2. Emergency department visit with moderate level of medical decision making (99284)74 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)62 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 blood pressure75%
  • High cholesterol69%
  • Anxiety44%
  • Arthritis41%
  • Depression40%
  • Diabetes38%

Hospitals where Brenda Sommerdorf works

Medicare's Facility Affiliation Data lists Brenda Sommerdorf 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.

  • MercyOne Newton Medical CenterNewton, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160032
  • Range Regional Health ServicesHibbing, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 240040

Practice locations

Addresses where Brenda Sommerdorf is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Brenda Sommerdorf as a member of these groups (CMS data updated October 2, 2026).

  • Range Regional Health Services353 clinicians in the group
  • Des Moines River Physicians LLC48 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Iowa →

Other emergency medicine doctors in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All emergency medicine doctors in Iowa →

Other clinicians in Range Regional Health Services

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457301038
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