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Internal Medicine

Michael Collins, MD

Sees patients in Aurora, IL · Illinois

Summary

Michael Collins, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Aurora, IL. NPI 1366467680. 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 Michael Collins, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
39Years since medical school (graduated 1987)
Loyola University Of Chicago, Stritch School Of MedicineMedical school
MaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice

Quick answers

Where does Michael Collins see patients?
Medicare's clinician data lists 1 practice location in Aurora, IL. Call before your visit to confirm the address.
What is Michael Collins's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Collins accept Medicare assignment?
Yes. Medicare's clinician data says Michael Collins 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 Michael Collins?
(630) 859-6800, as listed in official Medicare / NPI Registry data.
What is Michael Collins's NPI number?
1366467680. 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 Michael Collins is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Collins as a member of this group (CMS data updated 2026-10-02).

  • Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Aurora

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

All internal medicine doctors in Aurora →

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year1987
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1366467680
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