Quick answers
- Does Joseph A. Kmiecik accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph A. Kmiecik 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 Joseph A. Kmiecik see?
- In 2024, CMS data shows 2,428 Original Medicare patients and 7,490 services for Joseph A. Kmiecik. This counts Original Medicare only and measures volume, not quality.
- What is Joseph A. Kmiecik's NPI number?
- 1942317839. 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 Joseph A. Kmiecik, 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 patients | 2,428 |
|---|---|
| Services billed to Medicare | 7,490 |
| Different services or procedures | 154 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, gadobutrol, 0.1 ml (A9585)2,580 services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)1,153 services
- Screening mammography (77067)399 services
- Screening 3d breast mammography (77063)398 services
- X-ray of chest, 1 view (71045)300 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 blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes32%
- Anxiety31%
- Ischemic heart disease29%
Hospitals where Joseph A. Kmiecik works
Medicare's Facility Affiliation Data lists Joseph A. Kmiecik 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.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140286
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
- Valley West Community HospitalSandwich, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141340
Practice locations
Addresses where Joseph A. Kmiecik is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1 Kish Hospital DrDekalb, IL 60115 (815) 766‑7334
- 1221 N Highland AveAurora, IL 60506 (630) 859‑6800
- 1302 N Main StSandwich, IL 60548 (815) 786‑8484
- 1775 Dempster StPark Ridge, IL 60068 (847) 723‑2210
- 2285 Sequoia DrAurora, IL 60506 (630) 859‑6800
Group practices
Medicare enrollment lists Joseph A. Kmiecik as a member of these groups (CMS data updated October 2, 2026).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
- Integrated Imaging Consultants LLC159 clinicians in the group
- Aurora Radiology Consultants - Dekalb LLC15 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Dekalb
Clinicians with the same Medicare primary specialty in Dekalb, IL — not a recommendation.
Other clinicians in Northwestern Medical Faculty Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942317839 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians