Quick answers
- Does Ali R. Zaidi accept Medicare assignment?
- Yes. Medicare's clinician data says Ali R. Zaidi 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 Ali R. Zaidi see?
- In 2024, CMS data shows 2,292 Original Medicare patients and 7,607 services for Ali R. Zaidi. This counts Original Medicare only and measures volume, not quality.
- What is Ali R. Zaidi's NPI number?
- 1629191051. 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 Ali R. Zaidi, 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 | 2,292 |
|---|---|
| Services billed to Medicare | 7,607 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, regadenoson, 0.1 mg (J2785)1,488 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)1,242 services
- Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries (A9555)740 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)557 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)556 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%
- Ischemic heart disease56%
- Arthritis54%
- Heart failure50%
- Chronic kidney disease49%
Hospitals where Ali R. Zaidi works
Medicare's Facility Affiliation Data lists Ali R. Zaidi 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 Trinity HospitalChicago, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140048
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140062
Practice locations
Addresses where Ali R. Zaidi is enrolled with Medicare (CMS data updated October 2, 2026).
- 11800 Southwest HwyPalos Heights, IL 60463 (708) 361‑0220
- 3545 W 95th StEvergreen Park, IL 60805 (708) 346‑5562
Group practices
Medicare enrollment lists Ali R. Zaidi as a member of this group (CMS data updated October 2, 2026).
- Consultants in Cardiology and Electrophysiololgy LLC22 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Illinois →
Other cardiologists in Palos Heights
Clinicians with the same Medicare primary specialty in Palos Heights, IL — not a recommendation.
Other clinicians in Consultants in Cardiology and Electrophysiololgy LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1629191051 |
| 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