Katherine Diaz
NPI 1255767455ActiveIndividual· Nurse Practitioner· Miami, FL
Nurse Practitioner with Baptist Health Medical Group Oncology LLC, practicing in Miami, Florida. Their prescriptions cost Medicare Part D more than their services did: $2,933,812 for 599 claims, against $729.49 paid for services in 2024. Janssen Biotech, Inc. was the largest of 11 companies reporting payments in 2025, $541.62 in all, mostly food and beverage. Lists Baptist Hospital of Miami and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1255767455 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Sep 19, 2013 |
| Last updated in NPPES | Jul 14, 2020 |
| Certified by provider | Jul 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | ARNP9391828 | FL |
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 - Nurse Practitioner (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 15 across 2 procedure codes |
| Paid by Medicare | $729.49 |
Part D prescriptions in 2024
| Prescriptions (claims) | 599 · 844 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $2,933,812 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Baptist Health Medical Group Oncology LLCPlantation, FL · 204 clinicians
Hospital affiliations
- Baptist Hospital of MiamiMiami, FL
- Fishermen's Community HospitalMarathon, FL
- Mariners HospitalTavernier, FL
- West Kendall Baptist HospitalMiami, FL
Industry payments (Open Payments)
- 2025$541.62 · 17 payments from 11 companies
- 2024$245.55 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $161.17 | 6 |
| Beone Medicines USA, Inc. | $130.50 | 1 |
| Daiichi Sankyo Inc. | $58.93 | 2 |
| Sanofi-Aventis U.S. LLC | $33.54 | 1 |
| Astrazeneca Pharmaceuticals LP | $28.73 | 1 |
What the 2025 payments were for
- Food and Beverage$541.62 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,029 nurse practitioners in Miami · All nurse practitioners in Florida