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Diagnostic Radiology

John G. Annes, MD

Works at hospitals in Maywood, IL · Illinois

Summary

John G. Annes, MD (Diagnostic Radiology) is listed by Medicare at 1 hospital in Maywood, IL. NPI 1275794158. 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 John G. Annes, 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)
Chicago College Of Medicine And SurgeryMedical school
MaleGender (as listed)
Loyola University Medical CenterGroup practice

Quick answers

Which hospitals does John G. Annes work at?
Medicare's official clinician data lists John G. Annes at 1 hospital: Loyola University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John G. Annes see patients?
Medicare's clinician data lists 1 practice location in Maywood, IL. Call before your visit to confirm the address.
What is John G. Annes's specialty?
Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
Does John G. Annes accept Medicare assignment?
Yes. Medicare's clinician data says John G. Annes 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 John G. Annes?
(708) 216-9000, as listed in official Medicare / NPI Registry data.
What is John G. Annes's NPI number?
1275794158. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John G. Annes works

Medicare's Facility Affiliation Data lists John G. Annes 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 John G. Annes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John G. Annes as a member of this group (CMS data updated 2026-10-02).

  • Loyola University Medical Center953 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Maywood

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

All radiologists in Maywood →

Clinician information

CredentialMD
Medical schoolChicago College Of Medicine And Surgery
Graduation year2010
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275794158
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