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Internal Medicine

Reginald Spears, MD

Works at hospitals in Libertyville, IL · Barrington, IL · Park Ridge, IL … · Illinois

Summary

Reginald Spears, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Libertyville, IL, Barrington, IL and Park Ridge, IL and other places. NPI 1861485153. 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 Reginald Spears, 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
33Years since medical school (graduated 1993)
Southern Illinois University School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Reginald Spears work at?
Medicare's official clinician data lists Reginald Spears at 4 hospitals: Advocate Condell Medical Center, Advocate Good Shepherd Hospital, Advocate Lutheran General Hospital and Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Reginald Spears see patients?
Medicare's clinician data lists 2 practice locations, including Long Grove, IL. Call before your visit to confirm the address.
What is Reginald Spears's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Reginald Spears accept Medicare assignment?
Yes. Medicare's clinician data says Reginald Spears 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 Reginald Spears's NPI number?
1861485153. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Reginald Spears works

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

  • 4160 Il Route 83 207Long Grove, IL 60047
  • 4160 Route 83 207Long Grove, IL 60047

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Long Grove

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

All internal medicine doctors in Long Grove →

Clinician information

CredentialMD
Medical schoolSouthern Illinois University School Of Medicine
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1861485153
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