Nathan Allen Riley, NP
NPI 1316182934ActiveIndividual· Nurse Practitioner· Evansville, IN
Nurse Practitioner (NP) in Evansville, Indiana, trained at Vanderbilt University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $121,050 for 1,232 claims, against $10,106 paid for services in 2024. Abbvie Inc. was the largest of 20 companies reporting payments in 2025, $1,583 in all, mostly food and beverage.
Overview
| NPI | 1316182934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Dec 10, 2008 |
| Last updated in NPPES | Mar 31, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 71004194A | IN |
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 (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 123 |
|---|---|
| Services billed | 253 across 20 procedure codes |
| Paid by Medicare | $10,106 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,232 · 1,974 30-day fills |
|---|---|
| Patients | 439 |
| Total drug cost | $121,050 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Vanderbilt University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Nurse Practitioner |
Medical group
- Deaconess Clinic IncPhilpot, KY · 413 clinicians
Hospital affiliations
- Deaconess Hospital IncEvansville, IN
- Gibson General HospitalPrinceton, IN
Industry payments (Open Payments)
- 2025$1,583 · 99 payments from 20 companies
- 2024$1,178 · 94 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $512.82 | 31 |
| Axsome Therapeutics, Inc. | $148.34 | 11 |
| Astrazeneca Pharmaceuticals LP | $139.54 | 13 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $129.11 | 5 |
| Sumitomo Pharma America, Inc. | $67.96 | 4 |
What the 2025 payments were for
- Food and Beverage$1,583 · 99 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 237 nurse practitioners in Evansville · All nurse practitioners in Indiana