Obinna Obiekezie, MD

Hospitals where Obinna Obiekezie works

Medicare's Facility Affiliation Data lists Obinna Obiekezie 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 Good Shepherd HospitalBarrington, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140291
• Ascension St Vincent EvansvilleEvansville, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150100
• Presence Mercy Medical CenterAurora, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140174
• Presence St Marys HospitalKankakee, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140155

Practice locations

Addresses where Obinna Obiekezie is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

• 1325 N Highland AveAurora, IL 60506 (630) 859‑2222
• 200 Health Care DrGreenville, IL 62246 (618) 664‑1230
• 214 McHenry RdBuffalo Grove, IL 60089 (847) 459‑1160
• 2233 W Division StChicago, IL 60622 (312) 770‑2000
• 3700 Washington AveEvansville, IN 47714 (812) 485‑4000

Group practices

Medicare enrollment lists Obinna Obiekezie as a member of these groups (CMS data updated October 2, 2026).

• Advocate Health and Hospitals Corporation3,118 clinicians in the group
• Cep America - Intensivists PC125 clinicians in the group
• Cep America Illinois Intensivists48 clinicians in the group

Specialties

• Internal Medicineprimary
• Hospitalistalso

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Aurora

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

• Ali Minhas, MD
• Richard H. Hsu, MD
• Jorge E. Brunelle, MD
• Savitha Allam, MD
• Simi S. Rodney, MD
• Mudassir Sayeed, DO
• Bob A. Manam, MD
• Harkamal Rehal, MD

All internal medicine doctors in Aurora →

Other clinicians in Advocate Health and Hospitals Corporation

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

• Eric J. Kessler, MD
• Sana A. Jaffery, MD
• Wesley D. Roberts, MD
• Corlyne S. Mulder, MD
• Calla Holmgren, MD
• Szabolcs G. Szabo, 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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
5. Medicare Care Compare — official Medicare tool to look up clinicians