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Orthopedic Surgery

John L. Reilly, MD

Sees patients in Naperville, IL · Bloomingdale, IL · Illinois

Summary

John L. Reilly, MD (Orthopedic Surgery) is enrolled with Medicare at 2 practice locations in Naperville, IL and Bloomingdale, IL. NPI 1396731014. 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 John L. Reilly, 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

Orthopedic SurgeryPrimary specialty
YesAccepts Medicare assignment
43Years since medical school (graduated 1983)
Northwestern University Feinberg Medical SchoolMedical school
MaleGender (as listed)
Dupage Medical Group LtdGroup practice

Quick answers

Where does John L. Reilly see patients?
Medicare's clinician data lists 2 practice locations, including Naperville, IL and Bloomingdale, IL. Call before your visit to confirm the address.
What is John L. Reilly's specialty?
Medicare lists Orthopedic Surgery as the primary specialty.
Does John L. Reilly accept Medicare assignment?
Yes. Medicare's clinician data says John L. Reilly 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 L. Reilly?
(630) 355-1300, as listed in official Medicare / NPI Registry data.
What is John L. Reilly's NPI number?
1396731014. 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 John L. Reilly is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Dupage Medical Group Ltd1,322 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in Illinois →

Other orthopedic surgeons in Naperville

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

All orthopedic surgeons in Naperville →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1983
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396731014
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