Warren Steven Brenner, M.D.
NPI 1003865338ActiveIndividual· Internal Medicine, Medical Oncology· Delray Beach, FL
Internal Medicine, Medical Oncology (M.D.) with Brrh Oncology, LLC, practicing in Delray Beach, Florida. Their prescriptions cost Medicare Part D more than their services did: $6,606,189 for 938 claims, against $186,550 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $4,947 in all, mostly consulting fees. Lists Boca Raton Regional Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003865338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 5, 2006 |
| Last updated in NPPES | Dec 15, 2021 |
| Certified by provider | Dec 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 94685 | FL |
| Specialist | 174400000X | ME94685 | FL |
| Internal Medicine | 207R00000X | 94685 | FL |
| Internal Medicine, Medical Oncology | 207RX0202X | ME94685 | FL |
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 - Hematology/Oncology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 621 |
|---|---|
| Services billed | 3,557 across 15 procedure codes |
| Paid by Medicare | $186,550 |
Part D prescriptions in 2024
| Prescriptions (claims) | 938 · 1,169 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $6,606,189 |
| Generic share | 60% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Brrh Oncology, LLCDelray Beach, FL · 29 clinicians
Hospital affiliations
- Boca Raton Regional HospitalBoca Raton, FL
- Delray Medical CenterDelray Beach, FL
Industry payments (Open Payments)
- 2025$4,947 · 21 payments from 12 companies
- 2024$5,452 · 22 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $2,969 | 1 |
| Janssen Biotech, Inc. | $1,567 | 3 |
| Novartis Pharmaceuticals Corporation | $109.85 | 4 |
| Genzyme Corporation | $79.46 | 3 |
| Pfizer Inc. | $52.98 | 2 |
What the 2025 payments were for
- Consulting Fee$4,509 · 2 payments
- Food and Beverage$414.12 · 17 payments
- Education$24.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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