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

Internal Medicine

Ireneusz Pawlowski, MD

Works at hospitals in Park Ridge, IL · Chicago, IL · Evanston, IL · Illinois

Summary

Dr. Ireneusz Pawlowski, MD is an internal medicine doctor at 5645 W Addison St, Chicago, IL 60634. Phone: (773) 282-7000. Accepts Medicare assignment. In 2024, Ireneusz Pawlowski had 352 Original Medicare patients and 3,809 services. NPI 1588774616. 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 Ireneusz Pawlowski, 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 Ireneusz Pawlowski accept Medicare assignment?
Yes. Medicare's clinician data says Ireneusz Pawlowski 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 Ireneusz Pawlowski see?
In 2024, CMS data shows 352 Original Medicare patients and 3,809 services for Ireneusz Pawlowski. This counts Original Medicare only and measures volume, not quality.
What is Ireneusz Pawlowski's NPI number?
1588774616. 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 Ireneusz Pawlowski, 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 patients352
Services billed to Medicare3,809
Different services or procedures76
Participating Medicare providerYes
Average age of these patients76

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)1,889 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)397 services
  3. Insertion of needle into vein (3 years or older) (36410)252 services
  4. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)136 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)126 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%
  • Arthritis55%
  • Ischemic heart disease34%
  • Anxiety32%
  • Diabetes31%

Hospitals where Ireneusz Pawlowski works

Medicare's Facility Affiliation Data lists Ireneusz Pawlowski 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.

Practice locations

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

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Chicago

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

All internal medicine doctors in Chicago →

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588774616
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