Luis Diaz-Maisonet, MD
NPI 1447214192ActiveIndividual· Internal Medicine· Hato Rey, PR
Internal Medicine (MD) in Hato Rey, Puerto Rico, licensed in PR, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $208,857 for 3,145 claims, against $2,710 paid for services in 2024.
Overview
| NPI | 1447214192 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 12, 2006 |
| Last updated in NPPES | Mar 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5252 | 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 - Internal Medicine (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 53 across 5 procedure codes |
| Paid by Medicare | $2,710 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,145 · 7,048 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $208,857 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1976 |
|---|---|
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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