Sylvester Obanya Okonkwo, MD
NPI 1801897582ActiveIndividual· Internal Medicine· Oxon Hill, MD
Internal Medicine (MD) in Oxon Hill, Maryland, licensed in MD, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $425,077 for 8,109 claims, against $28,870 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $85.08 in all, mostly food and beverage.
Overview
| NPI | 1801897582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2005 |
| Last updated in NPPES | Dec 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0055314 | MD |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 322 across 6 procedure codes |
| Paid by Medicare | $28,870 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,109 · 11,399 30-day fills |
|---|---|
| Patients | 321 |
| Total drug cost | $425,077 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$85.08 · 5 payments from 3 companies
- 2024$169.43 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $54.27 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $15.48 | 1 |
| Amgen Inc. | $15.33 | 1 |
What the 2025 payments were for
- Food and Beverage$85.08 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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