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Diagnostic Radiology

John F. Bochniak, MD

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

Summary

Dr. John F. Bochniak, MD is a radiologist at 1041 W Stearns Rd, Bartlett, IL 60103. Phone: (630) 716-7500. Accepts Medicare assignment. In 2024, John F. Bochniak had 2,441 Original Medicare patients and 4,606 services. NPI 1184729121. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about John F. Bochniak, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does John F. Bochniak accept Medicare assignment?
Yes. Medicare's clinician data says John F. Bochniak accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does John F. Bochniak see?
In 2024, CMS data shows 2,441 Original Medicare patients and 4,606 services for John F. Bochniak. This counts Original Medicare only and measures volume, not quality.
What is John F. Bochniak's NPI number?
1184729121. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for John F. Bochniak, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients2,441
Services billed to Medicare4,606
Different services or procedures128
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Screening 3d breast mammography (77063)1,420 services
  2. Screening mammography (77067)1,420 services
  3. X-ray of chest, 1 view (71045)191 services
  4. Ct scan head or brain without contrast (70450)151 services
  5. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)120 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure72%
  • Arthritis49%
  • Diabetes30%
  • Ischemic heart disease27%
  • Anxiety26%

Hospitals where John F. Bochniak works

Medicare's Facility Affiliation Data lists John F. Bochniak at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where John F. Bochniak is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John F. Bochniak as a member of this group (CMS data updated October 2, 2026).

  • Bonaventure Medical Foundation LLC167 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Illinois →

Other radiologists in Bartlett

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

All radiologists in Bartlett →

Other clinicians in Bonaventure Medical Foundation LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Chicago, Pritzker School Of Medicine
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184729121
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians