Tajammul Hussain, MD

Medicare activity in 2024

Official CMS public-use data for Tajammul Hussain, 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. Anesthesia for other closed procedure on chest (00520)20 services
2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 services
3. Anesthesia for procedure for total knee joint replacement (01402)12 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%
• Arthritis59%
• Diabetes45%
• Chronic kidney disease45%
• Ischemic heart disease32%

Hospitals where Tajammul Hussain works

Medicare's Facility Affiliation Data lists Tajammul Hussain 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

Practice locations

Addresses where Tajammul Hussain 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 Tajammul Hussain as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Anesthesiologyprimary
• Pain Managementalso

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Oak Lawn

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

• Tarek I. Alnajar, DO
• Mauricio Villarreal, MD
• Rifat S. Khan, MD
• Mehr N. Aftab, MD
• Yaw N. Donkoh, MD
• Wilfred K. Boarden, MD
• Adam D. Kovac, MD
• Samuel L. Satler, MD

All anesthesiologists in Oak Lawn →

Other clinicians in Advocate Health and Hospitals Corporation

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

• Jia Guo, MD
• Baqir A. Jakvani, MD
• Annmarie J. Starzec, PA
• Thomas E. Klarquist, MD
• Jennifer Kossoris, MD
• Amanda R. Palermo, NP

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