Olivia Lemaster, APRN.CNP
NPI 1679005995ActiveIndividual· Nurse Practitioner· Marysville, OH
Nurse Practitioner (APRN.CNP) with Union County Physician Corporation, practicing in Marysville, Ohio. Their prescriptions cost Medicare Part D more than their services did: $21,733 for 312 claims, against $12,587 paid for services in 2024. Janssen Biotech, Inc. reported $99.99 in payments in 2025, mostly education. Lists Mary Rutan Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1679005995 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN.CNP |
| Sole proprietor | No |
| NPI issued | Mar 28, 2017 |
| Last updated in NPPES | May 18, 2023 |
| Certified by provider | May 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APRN.CNP.021209 | OH |
| Registered Nurse | 163W00000X | RN.371432 | OH |
| Nurse Practitioner, Acute Care | 363LA2100X | APRNCNP021209 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 151 |
|---|---|
| Services billed | 245 across 12 procedure codes |
| Paid by Medicare | $12,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 312 · 422 30-day fills |
|---|---|
| Patients | 98 |
| Total drug cost | $21,733 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Union County Physician CorporationMarysville, OH · 105 clinicians
Hospital affiliations
- Mary Rutan HospitalBellefontaine, OH
- Memorial HospitalMarysville, OH
Industry payments (Open Payments)
- 2025$99.99 · 1 payment from 1 company
- 2024$201.62 · 9 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $99.99 | 1 |
What the 2025 payments were for
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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