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Family Practice

Charles D. Kalenowski, DO

Works at hospitals in Elk Grove Village, IL · Elgin, IL · Hoffman Estates, IL · Illinois

Summary

Charles D. Kalenowski, DO (Family Practice) is listed by Medicare at 3 hospitals in Elk Grove Village, IL, Elgin, IL and Hoffman Estates, IL. NPI 1023046414. 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 Charles D. Kalenowski, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
29Years since medical school (graduated 1997)
Midwestern University, Chicago College Of Osteopathic MedMedical school
MaleGender (as listed)
Bonaventure Medical Foundation LLCGroup practice

Quick answers

Which hospitals does Charles D. Kalenowski work at?
Medicare's official clinician data lists Charles D. Kalenowski at 3 hospitals: 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 Charles D. Kalenowski see patients?
Medicare's clinician data lists 2 practice locations, including Bartlett, IL and Hoffman Est, IL. Call before your visit to confirm the address.
What is Charles D. Kalenowski's specialty?
Medicare lists Family Practice as the primary specialty.
Does Charles D. Kalenowski accept Medicare assignment?
Yes. Medicare's clinician data says Charles D. Kalenowski 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 Charles D. Kalenowski?
(630) 716-7500, as listed in official Medicare / NPI Registry data.
What is Charles D. Kalenowski's NPI number?
1023046414. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Charles D. Kalenowski works

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

Group practices

Medicare enrollment lists Charles D. Kalenowski as a member of this group (CMS data updated 2026-10-02).

  • Bonaventure Medical Foundation LLC167 clinicians in the group

Specialties

Find other Family Practice doctors in Illinois →

Other family doctors in Bartlett

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

All family doctors in Bartlett →

Clinician information

CredentialDO
Medical schoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year1997
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023046414
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