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Radiation Oncology

Alexander Harris, MD

Works at hospitals in Downers Grove, IL · Elgin, IL · Elk Grove Village, IL … · Illinois

Summary

Alexander Harris, MD (Radiation Oncology) is listed by Medicare at 5 hospitals in Downers Grove, IL, Elgin, IL and Elk Grove Village, IL and other places. NPI 1700236635. 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 Alexander Harris, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
MaleGender (as listed)
Radiation Oncology Consultants, LtdGroup practice

Quick answers

Which hospitals does Alexander Harris work at?
Medicare's official clinician data lists Alexander Harris at 5 hospitals: Advocate Good Samaritan Hospital, Advocate Sherman Hospital, Alexian Brothers Medical Center 1, Saint Joseph Hospital-Elgin and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Harris see patients?
Medicare's clinician data lists 2 practice locations, including Hoffman Estates, IL and Elk Grove Village, IL. Call before your visit to confirm the address.
What is Alexander Harris's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Alexander Harris accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Harris 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 Alexander Harris?
(847) 755-8400, as listed in official Medicare / NPI Registry data.
What is Alexander Harris's NPI number?
1700236635. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Harris works

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

Group practices

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

  • Radiation Oncology Consultants, Ltd19 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Illinois →

Other radiation oncologists in Hoffman Estates

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

All radiation oncologists in Hoffman Estates →

Clinician information

CredentialMD
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700236635
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