Quick answers
- Does Michael S. Kwiecinski accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Kwiecinski 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 Michael S. Kwiecinski see?
- In 2024, CMS data shows 15 Original Medicare patients and 29 services for Michael S. Kwiecinski. This counts Original Medicare only and measures volume, not quality.
- What is Michael S. Kwiecinski's NPI number?
- 1891753943. 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 Michael S. Kwiecinski, 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 | 15 |
|---|---|
| Services billed to Medicare | 29 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
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 pressure73%
Practice locations
Addresses where Michael S. Kwiecinski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1325 N Meacham RdSchaumburg, IL 60173 (630) 469‑9200
- 16519 S Route 59 BPlainfield, IL 60586 (630) 893‑8585
- 17495 La Grange RdTinley Park, IL 60487 (708) 226‑7000
- 2100 Glenwood AveJoliet, IL 60435 (815) 725‑2121
- 30 Stratford DrBloomingdale, IL 60108 (630) 893‑2210
Group practices
Medicare enrollment lists Michael S. Kwiecinski as a member of this group (CMS data updated October 2, 2026).
- Dupage Medical Group Ltd1,322 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Schaumburg
Clinicians with the same Medicare primary specialty in Schaumburg, IL — not a recommendation.
Other clinicians in Dupage Medical Group Ltd
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 | 1979 (47 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891753943 |
| 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
- 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