Michael Diaz, MD
NPI 1871574186ActiveIndividual· Internal Medicine, Medical Oncology· St Petersburg, FL
Internal Medicine, Medical Oncology (MD) in St Petersburg, Florida, trained at University of Kentucky College of Medicine (class of 1999). In 2024 Medicare paid $2,178,621 for 552 patients, and Part D covered 723 of their prescriptions, 75% of them generic. Janssen Biotech, Inc. was the largest of 50 companies reporting payments in 2025, $4,361 in all, mostly food and beverage.
Overview
| NPI | 1871574186 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 14, 2005 |
| Last updated in NPPES | Mar 2, 2026 |
| Certified by provider | Mar 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | ME84878 | FL |
| Internal Medicine, Hematology | 207RH0000X | ME84878 | 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 | 552 |
|---|---|
| Services billed | 235,025 across 138 procedure codes |
| Paid by Medicare | $2,178,621 |
Part D prescriptions in 2024
| Prescriptions (claims) | 723 · 1,165 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $1,445,920 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Kentucky College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical group
- Florida Cancer Specialists and Research Institute, LLCNorth Port, FL · 498 clinicians
Hospital affiliations
- HCA Florida Northside HospitalSaint Petersburg, FL
- HCA Florida St Petersburg HospitalSaint Petersburg, FL
- Orlando Health Bayfront HospitalSaint Petersburg, FL
- St Anthonys HospitalSaint Petersburg, FL
- St Josephs HospitalTampa, FL
Other facilities
- Gulfside Home Health LLCHome health agency · Land O Lakes, FL
Industry payments (Open Payments)
- 2025$4,361 · 181 payments from 50 companies
- 2024$4,403 · 177 payments from 54 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $359.80 | 18 |
| Astrazeneca Pharmaceuticals LP | $290.06 | 13 |
| Novartis Pharmaceuticals Corporation | $255.13 | 11 |
| Daiichi Sankyo Inc. | $247.54 | 9 |
| Rigel Pharmaceuticals, Inc. | $225.92 | 2 |
What the 2025 payments were for
- Food and Beverage$4,361 · 181 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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