Nathan Warder
NPI 1093349052ActiveIndividual· Nurse Practitioner· Naples, FL
Nurse Practitioner with American Arthritis and Rheumatology Associates LLC, practicing in Naples, Florida. Their prescriptions cost Medicare Part D more than their services did: $1,025,753 for 1,856 claims, against $89,982 paid for services in 2024. Amgen Inc. was the largest of 18 companies reporting payments in 2025, $4,074 in all, mostly food and beverage. Lists Cape Coral Hospital as a hospital affiliation.
Overview
| NPI | 1093349052 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 28, 2020 |
| Last updated in NPPES | Nov 12, 2025 |
| Certified by provider | Nov 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APRN11006150 | 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 | 495 |
|---|---|
| Services billed | 2,013 across 13 procedure codes |
| Paid by Medicare | $89,982 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,856 · 4,497 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $1,025,753 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- American Arthritis and Rheumatology Associates LLCNaples, FL · 65 clinicians
Hospital affiliation
- Cape Coral HospitalCape Coral, FL
Industry payments (Open Payments)
- 2025$4,074 · 170 payments from 18 companies
- 2024$3,878 · 176 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $695.37 | 27 |
| Abbvie Inc. | $631.02 | 25 |
| Janssen Biotech, Inc. | $620.27 | 23 |
| Ucb, Inc. | $431.24 | 23 |
| Novartis Pharmaceuticals Corporation | $322.68 | 20 |
What the 2025 payments were for
- Food and Beverage$3,875 · 168 payments
- Education$198.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 134 nurse practitioners in Naples · All nurse practitioners in Florida