Ruth A. Diaz De Leon, NP
NPI 1730157116ActiveIndividual· Nurse Practitioner· Madison, WI
Nurse Practitioner (NP) in Madison, Wisconsin, licensed in WI, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $17,708 for 106 claims, against $10,165 paid for services in 2024.
Overview
| NPI | 1730157116 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 10, 2006 |
| Last updated in NPPES | Aug 22, 2024 |
| Certified by provider | Aug 22, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 876 | WI |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 188 across 6 procedure codes |
| Paid by Medicare | $10,165 |
Part D prescriptions in 2024
| Prescriptions (claims) | 106 · 153 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $17,708 |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 530 nurse practitioners in Madison · All nurse practitioners in Wisconsin