Nnaemeka Gilbert Madubata, M.D.
NPI 1619262847ActiveIndividual· Internal Medicine· Cheverly, MD
Internal Medicine (M.D.) in Cheverly, Maryland, trained at Howard University College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $306,334 for 2,683 claims, against $37,673 paid for services in 2024. Lilly USA, LLC was the largest of 12 companies reporting payments in 2025, $494.63 in all, mostly food and beverage.
Overview
| NPI | 1619262847 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 15, 2011 |
| Last updated in NPPES | Jan 19, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0080724 | MD |
| Internal Medicine | 207R00000X | MD043744 | DC |
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 | 129 |
|---|---|
| Services billed | 482 across 25 procedure codes |
| Paid by Medicare | $37,673 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,683 · 4,780 30-day fills |
|---|---|
| Patients | 209 |
| Total drug cost | $306,334 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dimensions Healthcare Associates, IncCheverly, MD · 199 clinicians
Industry payments (Open Payments)
- 2025$494.63 · 21 payments from 12 companies
- 2024$562.92 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $88.60 | 4 |
| Novo Nordisk Inc | $66.07 | 3 |
| Dexcom, Inc. | $55.05 | 1 |
| Merck Sharp & Dohme LLC | $47.78 | 2 |
| Verona Pharma, Inc. | $47.32 | 2 |
What the 2025 payments were for
- Food and Beverage$494.63 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 45 internal medicine physicians in Cheverly · All internal medicine physicians in Maryland