Maria R. Flores, M.D.
NPI 1003809435ActiveIndividual· Internal Medicine, Medical Oncology· Oviedo, FL
Internal Medicine, Medical Oncology (M.D.) with Florida Cancer Specialists and Research Institute, LLC, practicing in Oviedo, Florida. Their prescriptions cost Medicare Part D more than their services did: $6,593,747 for 2,273 claims, against $2,024,093 paid for services in 2024. Celgene Corporation was the largest of 39 companies reporting payments in 2025, $3,410 in all, mostly food and beverage. Lists Adventhealth Orlando and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003809435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Feb 19, 2026 |
| Certified by provider | Feb 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | ME60281 | FL |
| Internal Medicine | 207R00000X | ME60281 | FL |
| Internal Medicine, Hematology | 207RH0000X | ME60281 | 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 - Medical Oncology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 617 |
|---|---|
| Services billed | 160,315 across 120 procedure codes |
| Paid by Medicare | $2,024,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,273 · 3,221 30-day fills |
|---|---|
| Patients | 355 |
| Total drug cost | $6,593,747 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Medical Oncology |
| Secondary specialties | Hematology/Oncology |
Medical group
- Florida Cancer Specialists and Research Institute, LLCNorth Port, FL · 498 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- Orlando HealthOrlando, FL
Industry payments (Open Payments)
- 2025$3,410 · 154 payments from 39 companies
- 2024$2,998 · 131 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Celgene Corporation | $321.07 | 12 |
| Novartis Pharmaceuticals Corporation | $316.34 | 17 |
| Astrazeneca Pharmaceuticals LP | $260.38 | 11 |
| Astellas Pharma US Inc | $252.45 | 9 |
| Genzyme Corporation | $176.33 | 9 |
What the 2025 payments were for
- Food and Beverage$3,310 · 153 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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