Amesika N. Nyaku, M.D., M.S.
NPI 1134440647ActiveIndividual· Internal Medicine· Newark, NJ
Internal Medicine (M.D., M.S.) in Newark, New Jersey, trained at Northwestern University Feinberg Medical School (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $324,920 for 463 claims, against $5,206 paid for services in 2024. Viiv Healthcare Company was the largest of 3 companies reporting payments in 2025, $753.33 in all, mostly food and beverage.
Overview
| NPI | 1134440647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | Yes |
| NPI issued | Jun 18, 2010 |
| Last updated in NPPES | Feb 15, 2022 |
| Certified by provider | Feb 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA09952700 | NJ |
| Internal Medicine, Infectious Disease | 207RI0200X | 25MA09952700 | NJ |
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 (IL); Practitioner - Infectious Disease (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 58 across 7 procedure codes |
| Paid by Medicare | $5,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 463 · 503 30-day fills |
|---|---|
| Patients | 20 |
| Total drug cost | $324,920 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
- Tpa Network IncorporatedChicago, IL · 10 clinicians
Hospital affiliation
- Northwestern Memorial HospitalChicago, IL
Industry payments (Open Payments)
- 2025$753.33 · 9 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Viiv Healthcare Company | $683.97 | 7 |
| Paratek Pharmaceuticals, Inc. | $51.41 | 1 |
| Merck Sharp & Dohme LLC | $17.95 | 1 |
What the 2025 payments were for
- Food and Beverage$503.60 · 7 payments
- Travel and Lodging$249.73 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 250 internal medicine physicians in Newark · All internal medicine physicians in New Jersey