Quick answers
- Which hospitals does Otuonye E. Onyewuchi work at?
- Medicare's official clinician data lists Otuonye E. Onyewuchi at 4 hospitals: Advocate Trinity Hospital, John H Stroger Jr Hospital, Provident Hospital of Chicago and St Bernard Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Otuonye E. Onyewuchi see patients?
- Medicare's clinician data lists 2 practice locations, including Chicago, IL. Call before your visit to confirm the address.
- What is Otuonye E. Onyewuchi's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Emergency Medicine, General Practice and Preventive Medicine.
- Does Otuonye E. Onyewuchi accept Medicare assignment?
- Yes. Medicare's clinician data says Otuonye E. Onyewuchi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Otuonye E. Onyewuchi?
- (773) 933-9300, as listed in official Medicare / NPI Registry data.
- What is Otuonye E. Onyewuchi's NPI number?
- 1538354295. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Otuonye E. Onyewuchi works
Medicare's Facility Affiliation Data lists Otuonye E. Onyewuchi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Trinity HospitalChicago, IL · Acute Care Hospital · CCN 140048
- John H Stroger Jr HospitalChicago, IL · Acute Care Hospital · CCN 140124
- Provident Hospital of ChicagoChicago, IL · Acute Care Hospital · CCN 140300
- St Bernard HospitalChicago, IL · Acute Care Hospital · CCN 140103
Practice locations
Addresses where Otuonye E. Onyewuchi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1750 E 87th St Room, Suite 109Chicago, IL 60617 (773) 933‑9300
- 1901 W Harrison StChicago, IL 60612 (312) 633‑7292
Group practices
Medicare enrollment lists Otuonye E. Onyewuchi as a member of this group (CMS data updated 2026-10-02).
- Cook County788 clinicians in the group
Specialties
- Internal Medicineprimary
- Emergency Medicinealso
- General Practicealso
- Preventive Medicinealso
Other internal medicine doctors in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538354295 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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