Vivian B. Diaz Melendez, M.D
NPI 1265633135ActiveIndividual· Internal Medicine, Hematology & Oncology· Humacao, PR
Internal Medicine, Hematology & Oncology (M.D) in Humacao, Puerto Rico, trained at University Central del Caribe Escuela de Medicina (class of 2004). Part D covered 2,146 prescriptions written in 2024, 86% of them generic. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $778.16 in all, mostly food and beverage.
Overview
| NPI | 1265633135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | May 30, 2007 |
| Last updated in NPPES | Aug 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 16706 | PR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (PR) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,146 · 2,431 30-day fills |
|---|---|
| Patients | 209 |
| Total drug cost | $3,080,912 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University Central del Caribe Escuela de Medicina |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$778.16 · 34 payments from 11 companies
- 2024$594.97 · 27 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $166.50 | 9 |
| Merck Sharp & Dohme LLC | $119.31 | 5 |
| Novartis Pharmaceuticals Corporation | $100.00 | 4 |
| Pharmaessentia USA Corporation | $83.88 | 3 |
| E.R. Squibb & Sons, L.L.C. | $67.48 | 3 |
What the 2025 payments were for
- Food and Beverage$778.16 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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