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Gastroenterology

Natasha M. Von Roenn, MD

Works at hospitals in Peoria, IL · Elmhurst, IL · Melrose Park, IL … · Illinois

Summary

Dr. Natasha M. Von Roenn, MD is a gastroenterologist at 2160 S 1st Ave, Maywood, IL 60153. Phone: (708) 216-8372. Accepts Medicare assignment. In 2024, Natasha M. Von Roenn had 371 Original Medicare patients and 677 services. NPI 1821297870. 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 Natasha M. Von Roenn, 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 Natasha M. Von Roenn accept Medicare assignment?
Yes. Medicare's clinician data says Natasha M. Von Roenn 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 Natasha M. Von Roenn see?
In 2024, CMS data shows 371 Original Medicare patients and 677 services for Natasha M. Von Roenn. This counts Original Medicare only and measures volume, not quality.
What is Natasha M. Von Roenn's NPI number?
1821297870. 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 Natasha M. Von Roenn, 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 patients371
Services billed to Medicare677
Different services or procedures21
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)210 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)159 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)129 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)39 services
  5. Hospital discharge day management, 30 minutes or less (99238)34 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 cholesterol71%
  • Diabetes46%
  • Arthritis44%
  • Chronic kidney disease31%
  • Ischemic heart disease29%

Hospitals where Natasha M. Von Roenn works

Medicare's Facility Affiliation Data lists Natasha M. Von Roenn 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.

  • Carle Health Methodist HospitalPeoria, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140209
  • Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140200
  • Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140008
  • Loyola University Medical CenterMaywood, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140276
  • MacNeal HospitalBerwyn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140054

Practice locations

Addresses where Natasha M. Von Roenn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Natasha M. Von Roenn as a member of this group (CMS data updated October 2, 2026).

  • Loyola University Medical Center953 clinicians in the group

Specialties

Find other Gastroenterology doctors in Illinois →

Other gastroenterologists in Maywood

Clinicians with the same Medicare primary specialty in Maywood, IL — not a recommendation.

All gastroenterologists in Maywood →

Other clinicians in Loyola University Medical Center

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821297870
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