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Anesthesiology

Ahmed A. Zaki, MD

Works at hospitals in Clinton Township, MI · La Grange, IL · Michigan, Illinois

Summary

Dr. Ahmed A. Zaki, MD is an anesthesiologist at 530 N Cass Ave, Westmont, IL 60559. Phone: (630) 968-1800. Accepts Medicare assignment. In 2024, Ahmed A. Zaki had 180 Original Medicare patients and 229 services. NPI 1245327634. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Ahmed A. Zaki, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ahmed A. Zaki accept Medicare assignment?
Yes. Medicare's clinician data says Ahmed A. Zaki 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 Ahmed A. Zaki see?
In 2024, CMS data shows 180 Original Medicare patients and 229 services for Ahmed A. Zaki. This counts Original Medicare only and measures volume, not quality.
What is Ahmed A. Zaki's NPI number?
1245327634. 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 Ahmed A. Zaki, 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 patients180
Services billed to Medicare229
Different services or procedures70
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for exam of colon using an endoscope (00812)15 services
  2. Anesthesia for other procedure on lower abdomen (00840)15 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%
  • Arthritis54%
  • Diabetes42%
  • Chronic kidney disease40%
  • Ischemic heart disease35%

Hospitals where Ahmed A. Zaki works

Medicare's Facility Affiliation Data lists Ahmed A. Zaki 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.

Practice locations

Addresses where Ahmed A. Zaki is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ahmed A. Zaki as a member of this group (CMS data updated October 2, 2026).

  • Gottlieb Midwest Anesthesiologists, LLC41 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Westmont

Clinicians with the same Medicare primary specialty in Westmont, IL — not a recommendation.

All anesthesiologists in Westmont →

Other clinicians in Gottlieb Midwest Anesthesiologists, LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245327634
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians