Diego Jose Diaz, MD
NPI 1598396129ActiveIndividual· Internal Medicine· Bayamon, PR
Internal Medicine (MD) in Bayamon, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 2022). Enrolled in Medicare as practitioner - internal medicine. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $245.44 in all, mostly food and beverage.
Overview
| NPI | 1598396129 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 2, 2020 |
| Last updated in NPPES | May 27, 2026 |
| Certified by provider | May 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 23690 | PR |
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 (PR) |
|---|
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 2022 |
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$245.44 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $126.46 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $118.98 | 1 |
What the 2025 payments were for
- Food and Beverage$245.44 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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