Olisa Kingsley Ezegwu, MD
NPI 1871089516ActiveIndividual· Internal Medicine, Cardiovascular Disease· Chicago, IL
Internal Medicine, Cardiovascular Disease (MD) with Medstar Medical Group II LLC and 1 other group, practicing in Chicago, Illinois. Part D covered 300 prescriptions written in 2024, 80% of them generic. Abbott Laboratories was the largest of 4 companies reporting payments in 2025, $245.35 in all, mostly food and beverage. Lists Medstar Washington Hospital Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1871089516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 5, 2018 |
| Last updated in NPPES | May 22, 2025 |
| Certified by provider | May 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 334705 | NY |
| Internal Medicine | 207R00000X | 1.25071705 | IL |
| Internal Medicine | 207R00000X | 125071705 | 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 - Cardiovascular Disease (Cardiology) (DC); Practitioner - Internal Medicine (IL); Practitioner - Cardiovascular Disease (Cardiology) (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 300 · 868 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $72,078 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical groups
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliations
- Medstar Washington Hospital CenterWashington, DC
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$245.35 · 10 payments from 4 companies
- 2024$837.97 · 14 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $105.86 | 4 |
| Boston Scientific Corporation | $59.08 | 2 |
| Medtronic, Inc. | $42.89 | 2 |
| Daxor Corporation | $37.52 | 2 |
What the 2025 payments were for
- Food and Beverage$245.35 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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