Quick answers
- Does Ahmad S. Chaouki accept Medicare assignment?
- Yes. Medicare's clinician data says Ahmad S. Chaouki 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 Ahmad S. Chaouki see?
- In 2024, CMS data shows 21 Original Medicare patients and 69 services for Ahmad S. Chaouki. This counts Original Medicare only and measures volume, not quality.
- What is Ahmad S. Chaouki's NPI number?
- 1063678852. 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 Ahmad S. Chaouki, 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 | 21 |
|---|---|
| Services billed to Medicare | 69 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 30 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)22 services
Hospitals where Ahmad S. Chaouki works
Medicare's Facility Affiliation Data lists Ahmad S. Chaouki 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.
- Ann & Robert H Lurie Childrens Hospital of ChicagoChicago, IL · Children's Hospital · Emergency services: listed by Medicare · CCN 143300
Practice locations
Addresses where Ahmad S. Chaouki is enrolled with Medicare (CMS data updated October 2, 2026).
- 225 E Chicago AveChicago, IL 60611 (312) 227‑6415
- 300 Randall RdGeneva, IL 60134 (800) 543‑7362
Group practices
Medicare enrollment lists Ahmad S. Chaouki as a member of this group (CMS data updated October 2, 2026).
- Lurie Children's Medical Group Inc.151 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Lurie Children's Medical Group Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063678852 |
| 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