David Nzube Osuji, PMHNP-BC
NPI 1558011643ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Greenville, TX
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) with Satish Narayan MD PA, practicing in Greenville, Texas. Their prescriptions cost Medicare Part D more than their services did: $477,707 for 1,625 claims, against $18,100 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 18 companies reporting payments in 2025, $3,481 in all, mostly food and beverage.
Overview
| NPI | 1558011643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Mar 24, 2022 |
| Last updated in NPPES | Apr 25, 2025 |
| Certified by provider | Apr 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 1073566 | TX |
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 - Nurse Practitioner (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 45 |
|---|---|
| Services billed | 318 across 8 procedure codes |
| Paid by Medicare | $18,100 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,625 · 2,072 30-day fills |
|---|---|
| Patients | 109 |
| Total drug cost | $477,707 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Satish Narayan MD PAGreenville, TX · 12 clinicians
Industry payments (Open Payments)
- 2025$3,481 · 212 payments from 18 companies
- 2024$2,306 · 153 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $591.69 | 25 |
| Alkermes, Inc. | $412.03 | 19 |
| Teva Pharmaceuticals USA, Inc. | $399.15 | 36 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $383.73 | 25 |
| Otsuka America Pharmaceutical, Inc. | $291.16 | 22 |
What the 2025 payments were for
- Food and Beverage$3,481 · 212 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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