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Internal Medicine

Richard S. Izewski, MD

Works at hospitals in Park Ridge, IL · Elk Grove Village, IL · Arlington Heights, IL … · Illinois

Summary

Richard S. Izewski, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Park Ridge, IL, Elk Grove Village, IL and Arlington Heights, IL and other places. NPI 1306930177. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Richard S. Izewski, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
36Years since medical school (graduated 1990)
MaleGender (as listed)

Quick answers

Which hospitals does Richard S. Izewski work at?
Medicare's official clinician data lists Richard S. Izewski at 4 hospitals: Advocate Lutheran General Hospital, Alexian Brothers Medical Center 1, Northwest Community Hospital 1 and Northwestern Medicine Central Dupage Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard S. Izewski see patients?
Medicare's clinician data lists 2 practice locations, including Schaumburg, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
What is Richard S. Izewski's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Richard S. Izewski accept Medicare assignment?
Yes. Medicare's clinician data says Richard S. Izewski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Richard S. Izewski offer telehealth?
Medicare's clinician data says Richard S. Izewski offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Richard S. Izewski?
(847) 301-1377, as listed in official Medicare / NPI Registry data.
What is Richard S. Izewski's NPI number?
1306930177. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard S. Izewski works

Medicare's Facility Affiliation Data lists Richard S. Izewski at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Richard S. Izewski is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Schaumburg

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

All internal medicine doctors in Schaumburg →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306930177
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians