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Hospitalist

Evans R. Sirois, DO

Works at hospitals in Arlington Heights, IL · Illinois

Summary

Evans R. Sirois, DO (Hospitalist) is listed by Medicare at 1 hospital in Arlington Heights, IL. NPI 1356310262. 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 Evans R. Sirois, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
Oklahoma State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Endeavor Health Medical GroupGroup practice

Quick answers

Which hospitals does Evans R. Sirois work at?
Medicare's official clinician data lists Evans R. Sirois at 1 hospital: Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Evans R. Sirois see patients?
Medicare's clinician data lists 3 practice locations, including Arlington Heights, IL, Mount Prospect, IL and Evanston, IL. Call before your visit to confirm the address.
What is Evans R. Sirois's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Evans R. Sirois accept Medicare assignment?
Yes. Medicare's clinician data says Evans R. Sirois 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.
Does Evans R. Sirois offer telehealth?
Medicare's clinician data says Evans R. Sirois offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Evans R. Sirois?
(847) 618-5400, as listed in official Medicare / NPI Registry data.
What is Evans R. Sirois's NPI number?
1356310262. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Evans R. Sirois works

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

  • 1051 W Rand RdArlington Heights, IL 60004
  • 199 W Rand RdMount Prospect, IL 60056 (847) 618‑5400
  • 2650 Ridge AveEvanston, IL 60201

Group practices

Medicare enrollment lists Evans R. Sirois as a member of this group (CMS data updated 2026-10-02).

  • Endeavor Health Medical Group3,350 clinicians in the group

Specialties

Find other Hospitalist doctors in Illinois →

Other hospitalists in Arlington Heights

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

All hospitalists in Arlington Heights →

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356310262
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