Ogbonnaya E. Aneziokoro, MD
NPI 1104831668ActiveIndividual· Internal Medicine, Nephrology· Chicago, IL
Internal Medicine, Nephrology (MD) with Rush University Medical Group and 1 other group, practicing in Chicago, Illinois. In 2024 Medicare paid $496,837 for 519 patients, and Part D covered 2,726 of their prescriptions, 83% of them generic. Fresenius USA Marketing, Inc. was the largest of 2 companies reporting payments in 2025, $307.92 in all, mostly food and beverage. Lists Advocate Illinois Masonic Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1104831668 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 30, 2006 |
| Last updated in NPPES | Mar 7, 2026 |
| Certified by provider | Mar 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 036102972 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 519 |
|---|---|
| Services billed | 3,395 across 27 procedure codes |
| Paid by Medicare | $496,837 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,726 · 4,651 30-day fills |
|---|---|
| Patients | 344 |
| Total drug cost | $527,607 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Rush University Medical GroupChicago, IL · 1,551 clinicians
- Northwest Medical Associates of Chicago LLCChicago, IL · 3 clinicians
Hospital affiliations
- Advocate Illinois Masonic Medical CenterChicago, IL
- Humboldt Park HealthChicago, IL
- Presence Saints Mary and Elizabeth Medical CenterChicago, IL
- Rush University Medical CenterChicago, IL
- Saint Anthony HospitalChicago, IL
Other facilities
- Davita Brighton Park DialysisDialysis facility · Chicago, IL
- Davita Garfield Kidney CenterDialysis facility · Chicago, IL
- Davita Lawndale DialysisDialysis facility · Chicago, IL
- Davita Little Village DialysisDialysis facility · Chicago, IL
- Davita Ogden DialysisDialysis facility · Cicero, IL
Industry payments (Open Payments)
- 2025$307.92 · 13 payments from 2 companies
- 2024$252.55 · 10 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $287.43 | 12 |
| Novartis Pharmaceuticals Corporation | $20.49 | 1 |
What the 2025 payments were for
- Food and Beverage$307.92 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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