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Diagnostic Radiology

Marc N. Roy, MD

Works at hospitals in Evanston, IL · Arlington Heights, IL · Illinois

Summary

Marc N. Roy, MD (Diagnostic Radiology) is listed by Medicare at 2 hospitals in Evanston, IL and Arlington Heights, IL. NPI 1124020532. 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 Marc N. Roy, 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
38Years since medical school (graduated 1988)
University Of Chicago, Pritzker School Of MedicineMedical school
MaleGender (as listed)
Northwest Radiology Associates SCGroup practice

Quick answers

Which hospitals does Marc N. Roy work at?
Medicare's official clinician data lists Marc N. Roy at 2 hospitals: Northshore University Healthsystem - Evanston Hospital and Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marc N. Roy see patients?
Medicare's clinician data lists 1 practice location in Arlington Heights, IL. Call before your visit to confirm the address.
What is Marc N. Roy's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does Marc N. Roy accept Medicare assignment?
Yes. Medicare's clinician data says Marc N. Roy 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 Marc N. Roy?
(847) 618-1000, as listed in official Medicare / NPI Registry data.
What is Marc N. Roy's NPI number?
1124020532. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marc N. Roy works

Medicare's Facility Affiliation Data lists Marc N. Roy 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 Marc N. Roy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marc N. Roy as a member of this group (CMS data updated 2026-10-02).

  • Northwest Radiology Associates SC22 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Arlington Heights

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

All radiologists in Arlington Heights →

Clinician information

CredentialMD
Medical schoolUniversity Of Chicago, Pritzker School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124020532
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