Joaquin Nicolas Diego, MD
NPI 1154311264ActiveIndividual· Internal Medicine, Cardiovascular Disease· Miami, FL
Internal Medicine, Cardiovascular Disease (MD) in Miami, Florida, licensed in FL, with an NPI issued in October 2005. Their prescriptions cost Medicare Part D more than their services did: $512,658 for 4,340 claims, against $64,922 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 3 companies reporting payments in 2025, $102.53 in all, mostly food and beverage.
Overview
| NPI | 1154311264 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 28, 2005 |
| Last updated in NPPES | May 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | ME56696 | FL |
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 - Cardiovascular Disease (Cardiology) (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 696 across 18 procedure codes |
| Paid by Medicare | $64,922 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,340 · 9,302 30-day fills |
|---|---|
| Patients | 583 |
| Total drug cost | $512,658 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Industry payments (Open Payments)
- 2025$102.53 · 5 payments from 3 companies
- 2024$208.51 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $55.42 | 3 |
| Pfizer Inc. | $27.11 | 1 |
| Amgen Inc. | $20.00 | 1 |
What the 2025 payments were for
- Food and Beverage$102.53 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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