Quick answers
- Does Karl M. Napekoski accept Medicare assignment?
- Yes. Medicare's clinician data says Karl M. Napekoski 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 Karl M. Napekoski see?
- In 2024, CMS data shows 5,281 Original Medicare patients and 10,289 services for Karl M. Napekoski. This counts Original Medicare only and measures volume, not quality.
- What is Karl M. Napekoski's NPI number?
- 1235372301. 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 Karl M. Napekoski, 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 | 5,281 |
|---|---|
| Services billed to Medicare | 10,289 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)9,135 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)249 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)236 services
- Special stained specimen slides to examine tissue, initial procedure (88342)228 services
- Special stained specimen slides to identify organisms including interpretation and report (88312)92 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 pressure73%
- Arthritis46%
- Ischemic heart disease28%
- Diabetes24%
- Chronic kidney disease21%
Hospitals where Karl M. Napekoski works
Medicare's Facility Affiliation Data lists Karl M. Napekoski 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.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140208
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140288
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140223
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140030
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140048
Practice locations
Addresses where Karl M. Napekoski is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1049 E Wilson St, Suite 190Batavia, IL 60510 · Sharon L. Horton, MD, PC (630) 482‑3700
- 16105 S La Grange RdOrland Park, IL 60467 (708) 636‑3767
- 1750 N Randall Rd, Suite 120Elgin, IL 60123 (847) 608‑6647
- 18425 W Creek Dr, Suite FTinley Park, IL 60477 (708) 444‑8300
- 1851 Silver Cross Blvd, Suite 150New Lenox, IL 60451 (773) 680‑4296
Group practices
Medicare enrollment lists Karl M. Napekoski as a member of these groups (CMS data updated October 2, 2026).
- Midwest Diagnostic Pathology, S.C.46 clinicians in the group
- Dermatology Associates of Lagrange SC19 clinicians in the group
- Suleman J. Bangash D.O.S.C.17 clinicians in the group
- Bielinski Dermatology Group LLC11 clinicians in the group
- Dermatology Associates Ltd11 clinicians in the group
- Dolehide Dermatology, S.C.3 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Midwest Diagnostic Pathology, S.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 (17 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235372301 |
| 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