Quick answers
- Does George Nijmeh accept Medicare assignment?
- Yes. Medicare's clinician data says George Nijmeh 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 George Nijmeh see?
- In 2024, CMS data shows 2,544 Original Medicare patients and 15,846 services for George Nijmeh. This counts Original Medicare only and measures volume, not quality.
- What is George Nijmeh's NPI number?
- 1366645046. 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 George Nijmeh, 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 | 2,544 |
|---|---|
| Services billed to Medicare | 15,846 |
| Different services or procedures | 93 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)7,970 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,555 services
- Injection, regadenoson, 0.1 mg (J2785)804 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)795 services
- Technetium tc-99m sestamibi, diagnostic, per study dose (A9500)507 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%
- Arthritis51%
- Ischemic heart disease51%
- Atrial fibrillation39%
- Heart failure37%
Hospitals where George Nijmeh works
Medicare's Facility Affiliation Data lists George Nijmeh 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.
- Edward HospitalNaperville, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140231
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140211
Practice locations
Addresses where George Nijmeh is enrolled with Medicare (CMS data updated October 2, 2026).
- 25 N Winfield Rd, Suite 300Winfield, IL 60190 (630) 933‑8100
- 801 S Washington StNaperville, IL 60540 (312) 355‑0450
Group practices
Medicare enrollment lists George Nijmeh as a member of these groups (CMS data updated October 2, 2026).
- Dupage Medical Group Ltd1,322 clinicians in the group
- Edward Hospital96 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Winfield
Clinicians with the same Medicare primary specialty in Winfield, 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 | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1366645046 |
| 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