Luis D. Flores, M.D.
NPI 1285608216ActiveIndividual· Internal Medicine, Hematology & Oncology· San Juan, PR
Internal Medicine, Hematology & Oncology (M.D.) in San Juan, Puerto Rico, trained at University of Puerto Rico School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,992,026 for 1,708 claims, against $73,181 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 26 companies reporting payments in 2025, $3,738 in all, mostly food and beverage.
Overview
| NPI | 1285608216 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 15, 2006 |
| Last updated in NPPES | Mar 9, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 13480 | 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 - Hematology/Oncology (PR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 32 |
|---|---|
| Services billed | 3,615 across 20 procedure codes |
| Paid by Medicare | $73,181 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,708 · 1,923 30-day fills |
|---|---|
| Patients | 331 |
| Total drug cost | $2,992,026 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Puerto Rico School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$3,738 · 161 payments from 26 companies
- 2024$4,365 · 155 payments from 27 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $662.72 | 28 |
| E.R. Squibb & Sons, L.L.C. | $441.16 | 20 |
| Astrazeneca Pharmaceuticals LP | $384.36 | 17 |
| Abbvie Inc. | $284.85 | 13 |
| Pbg Puerto Rico LLC | $259.61 | 11 |
What the 2025 payments were for
- Food and Beverage$3,538 · 159 payments
- Education$199.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Puerto Rico →