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Obstetrics/Gynecology

Joanna M. Izewski, MD

Sees patients in Buffalo Grove, IL · Oak Lawn, IL · Illinois

Summary

Joanna M. Izewski, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Buffalo Grove, IL and Oak Lawn, IL. NPI 1336503283. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joanna M. 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
FemaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice

Quick answers

Where does Joanna M. Izewski see patients?
Medicare's clinician data lists 2 practice locations, including Buffalo Grove, IL and Oak Lawn, IL. Call before your visit to confirm the address.
What is Joanna M. Izewski's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Joanna M. Izewski accept Medicare assignment?
Yes. Medicare's clinician data says Joanna M. 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.
What is the phone number for Joanna M. Izewski?
(847) 459-1160, as listed in official Medicare / NPI Registry data.
What is Joanna M. Izewski's NPI number?
1336503283. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Group practices

Medicare enrollment lists Joanna M. Izewski as a member of this group (CMS data updated 2026-10-02).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Illinois →

Other OB-GYNs in Buffalo Grove

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

All OB-GYNs in Buffalo Grove →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336503283
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians