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Internal Medicine

Alan M. Wilson, MD

Works at hospitals in Chicago, IL · Park Ridge, IL · Oak Park, IL · Illinois

Summary

Alan M. Wilson, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Chicago, IL, Park Ridge, IL and Oak Park, IL. NPI 1487732384. 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 Alan M. Wilson, 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
49Years since medical school (graduated 1977)
MaleGender (as listed)
Advocate Health and Hospitals CorporationGroup practice

Quick answers

Which hospitals does Alan M. Wilson work at?
Medicare's official clinician data lists Alan M. Wilson at 3 hospitals: Advocate Illinois Masonic Medical Center, Advocate Lutheran General Hospital and West Suburban Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alan M. Wilson see patients?
Medicare's clinician data lists 3 practice locations, including Buffalo Grove, IL, Oak Park, IL and Chicago, IL. Call before your visit to confirm the address.
What is Alan M. Wilson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Alan M. Wilson accept Medicare assignment?
Yes. Medicare's clinician data says Alan M. Wilson 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 Alan M. Wilson?
(847) 459-1160, as listed in official Medicare / NPI Registry data.
What is Alan M. Wilson's NPI number?
1487732384. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alan M. Wilson works

Medicare's Facility Affiliation Data lists Alan M. Wilson 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 Alan M. Wilson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Alan M. Wilson 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 Buffalo Grove

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

All internal medicine doctors in Buffalo Grove →

Clinician information

CredentialMD
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487732384
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