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Hematology/Oncology

Elisabeth Von Bun, MD

Works at hospitals in Maryville, IL · Louisville, KY · Illinois, Kentucky

Summary

Dr. Elisabeth Von Bun, MD is a hematologist-oncologist at 2227 Vadalabene Dr, Suite 200, Maryville, IL 62062. Phone: (618) 288-1140. Accepts Medicare assignment. In 2024, Elisabeth Von Bun had 323 Original Medicare patients and 714 services. NPI 1861450280. 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: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 2227 Vadalabene Dr, Suite 200, Maryville, IL 62062 · Directions
  • Phone: (618) 288‑1140
  • Medicare: Accepts Medicare assignment
  • Hospitals: Anderson Hospital, Norton Hospitals, Inc
  • Group practice: Mercy Clinic Specialists Services-Illinois LLC
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elisabeth Von Bun, 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 Elisabeth Von Bun accept Medicare assignment?
Yes. Medicare's clinician data says Elisabeth Von Bun 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 Elisabeth Von Bun see?
In 2024, CMS data shows 323 Original Medicare patients and 714 services for Elisabeth Von Bun. This counts Original Medicare only and measures volume, not quality.
What is Elisabeth Von Bun's NPI number?
1861450280. 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 Elisabeth Von Bun, 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 patients323
Services billed to Medicare714
Different services or procedures13
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)218 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)123 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)118 services
  4. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)51 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)51 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 cholesterol72%
  • Arthritis56%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)46%
  • Diabetes41%
  • Ischemic heart disease39%

Hospitals where Elisabeth Von Bun works

Medicare's Facility Affiliation Data lists Elisabeth Von Bun 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.

  • Anderson HospitalMaryville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140289
  • Norton Hospitals, IncLouisville, KY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 180088

Practice locations

Addresses where Elisabeth Von Bun is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mercy Clinic Specialists Services-Illinois LLC7 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Illinois →

Other hematologist-oncologists in Illinois

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

All hematologist-oncologists in Illinois →

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861450280
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