Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Paul G. Malcharek, MD

Works at hospitals in Maryville, IL · O Fallon, IL · Belleville, IL … · Illinois

Summary

Dr. Paul G. Malcharek, MD is an internal medicine doctor at 2401 S Ctr St, Maryville, IL 62062. Phone: (618) 344-3046. Accepts Medicare assignment. In 2024, Paul G. Malcharek had 830 Original Medicare patients and 3,373 services. NPI 1891781951. 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 Paul G. Malcharek, 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 Paul G. Malcharek accept Medicare assignment?
Yes. Medicare's clinician data says Paul G. Malcharek 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 Paul G. Malcharek see?
In 2024, CMS data shows 830 Original Medicare patients and 3,373 services for Paul G. Malcharek. This counts Original Medicare only and measures volume, not quality.
What is Paul G. Malcharek's NPI number?
1891781951. 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 Paul G. Malcharek, 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 patients830
Services billed to Medicare3,373
Different services or procedures84
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. X-ray of knee, 3 views (73562)523 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)442 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)291 services
  4. X-ray of shoulder, minimum of 2 views (73030)279 services
  5. X-ray of hip, 2-3 views (73502)217 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 cholesterol75%
  • Arthritis67%
  • Diabetes33%
  • Ischemic heart disease32%
  • Chronic kidney disease26%

Hospitals where Paul G. Malcharek works

Medicare's Facility Affiliation Data lists Paul G. Malcharek 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
  • HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140187
  • Memorial HospitalBelleville, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140185
  • St Johns HospitalSpringfield, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140053
  • St Joseph's HospitalHighland, IL · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 141336

Practice locations

Addresses where Paul G. Malcharek is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Paul G. Malcharek as a member of this group (CMS data updated October 2, 2026).

  • HSHS Medical Group Inc219 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Maryville

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

All internal medicine doctors in Maryville →

Other clinicians in HSHS Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolIllinois Medical College
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1891781951
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