John Louis Oleary, DO
NPI 1871559807ActiveIndividual· Internal Medicine· Wakefield, RI
Internal Medicine (DO) in Wakefield, Rhode Island, licensed in RI, with an NPI issued in April 2006. Their prescriptions cost Medicare Part D more than their services did: $208,211 for 2,357 claims, against $14,434 paid for services in 2024. Lists South County Hospital Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1871559807 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 26, 2006 |
| Last updated in NPPES | Jun 24, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | DO333 | RI |
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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 243 across 10 procedure codes |
| Paid by Medicare | $14,434 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,357 · 4,903 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $208,211 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- South County Hospital IncWakefield, RI
- The Miriam HospitalProvidence, RI
- Westerly HospitalWesterly, RI
Other facilities
- South County Home HealthHome health agency · Wakefield, RI
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 39 internal medicine physicians in Wakefield · All internal medicine physicians in Rhode Island