Ahmad Khattab, MD

Medicare activity in 2024

Official CMS public-use data for Ahmad Khattab, 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.

Most frequent services

1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)69 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)52 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)27 services
4. Measurement of brain wave activity (eeg), 41-60 minutes (95812)16 services
5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)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%
• Diabetes58%
• Stroke or mini-stroke57%
• Chronic kidney disease55%
• Heart failure52%

Hospitals where Ahmad Khattab works

Medicare's Facility Affiliation Data lists Ahmad Khattab 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

Practice locations

Addresses where Ahmad Khattab is enrolled with Medicare (CMS data updated October 2, 2026).

• 4440 W 95th StOak Lawn, IL 60453 (708) 684‑4393

Group practices

Medicare enrollment lists Ahmad Khattab as a member of this group (CMS data updated October 2, 2026).

• Advocate Health and Hospitals Corporation3,118 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Illinois →

Other neurologists in Oak Lawn

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

• Lina M. Chervak, MD
• Rochelle Sweis, DO
• Paul Singer, MD
• Mian Z. Urfy, MD
• Franklin A. Marden, MD
• Felicia Hataway, MD

All neurologists in Oak Lawn →

Other clinicians in Advocate Health and Hospitals Corporation

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

• Anjali Benischek
• Jasmina P. Oberhaus, DO
• Deonna Vaughn, MD
• Eve Kenfack
• Karthik K. Challa, MD
• Ibrahim Shaik, MD

Clinician information

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