Samuel Patrick Walker Jr., D.O.
NPI 1255685152ActiveIndividual· Internal Medicine· East Liverpool, OH
Internal Medicine (D.O.) with River Valley Physicians LLC, practicing in East Liverpool, Ohio. 184 Medicare patients in 2024, $25,131 paid; nearly all of their 227 Part D prescriptions were generic (98%). Lists East Liverpool City Hospital as a hospital affiliation.
Overview
| NPI | 1255685152 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Oct 31, 2012 |
| Last updated in NPPES | Oct 5, 2026 |
| Certified by provider | Oct 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DO.1545 | AL |
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 - Internal Medicine (AL); Practitioner - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 184 |
|---|---|
| Services billed | 310 across 18 procedure codes |
| Paid by Medicare | $25,131 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 285 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $1,508 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- River Valley Physicians LLCEast Liverpool, OH · 55 clinicians
Hospital affiliation
- East Liverpool City HospitalEast Liverpool, OH
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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