Melix Diaz, APRN
NPI 1568124337ActiveIndividual· Nurse Practitioner, Family· Johnston, RI
Nurse Practitioner, Family (APRN) in Johnston, Rhode Island, licensed in RI, with an NPI issued in October 2021. Their prescriptions cost Medicare Part D more than their services did: $48,767 for 290 claims, against $1,263 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $271.39 in all, mostly food and beverage.
Overview
| NPI | 1568124337 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Oct 9, 2021 |
| Last updated in NPPES | Feb 19, 2024 |
| Certified by provider | Feb 19, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | APRN02888 | RI |
| Nurse Practitioner | 363L00000X | APRN02888 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 41 across 10 procedure codes |
| Paid by Medicare | $1,263 |
Part D prescriptions in 2024
| Prescriptions (claims) | 290 · 487 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $48,767 |
| Generic share | 78% of claims |
Industry payments (Open Payments)
- 2025$271.39 · 10 payments from 6 companies
- 2024$521.43 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $157.88 | 4 |
| Abbvie Inc. | $34.36 | 2 |
| Ardelyx, Inc. | $22.58 | 1 |
| Glaxosmithkline, LLC. | $20.57 | 1 |
| Lilly USA, LLC | $18.17 | 1 |
What the 2025 payments were for
- Food and Beverage$271.39 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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