Lori Jean Grenich, MS, MSN, RN, CNP
NPI 1871586040ActiveIndividual· Nurse Practitioner, Adult Health· Columbiana, OH
Nurse Practitioner, Adult Health (MS, MSN, RN, CNP) with Osh-Oh Physicians Group PC, practicing in Columbiana, Ohio. Their prescriptions cost Medicare Part D more than their services did: $1,934,440 for 12,008 claims, against $6,677 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 5 companies reporting payments in 2025, $330.53 in all, mostly food and beverage. Lists Hmhp St Elizabeth Boardman Health Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1871586040 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MS, MSN, RN, CNP |
| Sole proprietor | No |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Aug 10, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 03474NP | 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 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 - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 132 across 17 procedure codes |
| Paid by Medicare | $6,677 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12,008 · 21,752 30-day fills |
|---|---|
| Patients | 494 |
| Total drug cost | $1,934,440 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Osh-Oh Physicians Group PCAkron, OH · 65 clinicians
Hospital affiliations
- Hmhp St Elizabeth Boardman Health CenterBoardman, OH
- Mh St Elizabeth Youngstown HospitalYoungstown, OH
- Surgical Hospital at SouthwoodsYoungstown, OH
Industry payments (Open Payments)
- 2025$330.53 · 5 payments from 5 companies
- 2024$133.05 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $96.04 | 1 |
| Neurelis, Inc. | $82.65 | 1 |
| Teva Pharmaceuticals USA, Inc. | $72.11 | 1 |
| Astrazeneca Pharmaceuticals LP | $60.91 | 1 |
| Exact Sciences Corporation | $18.82 | 1 |
What the 2025 payments were for
- Food and Beverage$330.53 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records