Julio J. Diaz, M.D.
NPI 1366459596ActiveIndividual· Radiology, Radiation Oncology· Rio Piedras, PR
Radiology, Radiation Oncology (M.D.) with Centro de Cancer de la Universidad and 1 other group, practicing in Rio Piedras, Puerto Rico. In 2024 Medicare paid $97,438 for 18 patients, and Part D covered 160 of their prescriptions, 81% of them generic. Teleflex LLC was the largest of 6 companies reporting payments in 2025, $2,147 in all, mostly food and beverage.
Overview
| NPI | 1366459596 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 10907 | 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 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 - Radiation Oncology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 598 across 18 procedure codes |
| Paid by Medicare | $97,438 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 199 30-day fills |
|---|---|
| Patients | 74 |
| Total drug cost | $4,409 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Radiation Oncology |
Medical groups
- Centro de Cancer de la UniversidadSan Juan, PR · 27 clinicians
- Grupo Radioterapia del NorteManati, PR · 2 clinicians
Industry payments (Open Payments)
- 2025$2,147 · 16 payments from 6 companies
- 2024$206.11 · 7 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $1,279 | 2 |
| Siemens Medical Solutions USA, Inc. | $663.29 | 8 |
| Astrazeneca Pharmaceuticals LP | $115.73 | 2 |
| Genentech USA, Inc. | $42.53 | 2 |
| Carl Zeiss Meditec USA, Inc. | $25.07 | 1 |
What the 2025 payments were for
- Food and Beverage$1,394 · 15 payments
- Travel and Lodging$752.92 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Radiology, Radiation Oncology providers in Rio Piedras
- 1023025285
All Radiology, Radiation Oncology providers in Puerto Rico →