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Diagnostic Radiology

William Zelkovich, MD

Works at hospitals in Winfield, IL · Joliet, IL · New Lenox, IL … · Illinois

Summary

William Zelkovich, MD (Diagnostic Radiology) is listed by Medicare at 4 hospitals in Winfield, IL, Joliet, IL and New Lenox, IL and other places. NPI 1982915302. 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 William Zelkovich, 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

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
University Of Illinois College Of Med (chi/peor/rock/chm-Urb)Medical school
MaleGender (as listed)
Central Illinois Radiological Associates LtdGroup practice (+1 more)

Quick answers

Which hospitals does William Zelkovich work at?
Medicare's official clinician data lists William Zelkovich at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Saint Joseph Medical Center, Silver Cross Hospital and Medical Centers and The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Zelkovich see patients?
Medicare's clinician data lists 6 practice locations, including Homer Glen, IL, Orland Park, IL and New Lenox, IL. Call before your visit to confirm the address.
What is William Zelkovich's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does William Zelkovich accept Medicare assignment?
Yes. Medicare's clinician data says William Zelkovich 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 William Zelkovich?
(815) 300-4536, as listed in official Medicare / NPI Registry data.
What is William Zelkovich's NPI number?
1982915302. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Zelkovich works

Medicare's Facility Affiliation Data lists William Zelkovich 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 William Zelkovich is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists William Zelkovich as a member of these groups (CMS data updated 2026-10-02).

  • Central Illinois Radiological Associates Ltd209 clinicians in the group
  • Advanced Midwest Radiology S C24 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Homer Glen

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

All radiologists in Homer Glen →

Clinician information

CredentialMD
Medical schoolUniversity Of Illinois College Of Med (chi/peor/rock/chm-Urb)
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982915302
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