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

Physician Assistant

Ashley E. Mazalewski

Sees patients in Chicago, IL · Berwyn, IL · Illinois

Summary

Ashley E. Mazalewski (Physician Assistant) is enrolled with Medicare at 8 practice locations in Chicago, IL and Berwyn, IL. NPI 1629232780. 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 Ashley E. Mazalewski, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
18Years since medical school (graduated 2008)
FemaleGender (as listed)
Physicians Immediate Care North Chicago LLCGroup practice

Quick answers

Where does Ashley E. Mazalewski see patients?
Medicare's clinician data lists 8 practice locations, including Chicago, IL and Berwyn, IL. Call before your visit to confirm the address.
What is Ashley E. Mazalewski's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Ashley E. Mazalewski accept Medicare assignment?
Yes. Medicare's clinician data says Ashley E. Mazalewski 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 Ashley E. Mazalewski?
(773) 886-1500, as listed in official Medicare / NPI Registry data.
What is Ashley E. Mazalewski's NPI number?
1629232780. 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 Ashley E. Mazalewski is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.

Group practices

Medicare enrollment lists Ashley E. Mazalewski as a member of this group (CMS data updated 2026-10-02).

  • Physicians Immediate Care North Chicago LLC257 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Illinois →

Other physician assistants in Chicago

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

All physician assistants in Chicago →

Clinician information

Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629232780
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