Prabhsharn Singh Grewal, MD
NPI 1588232961ActiveIndividual· Internal Medicine· Oregon, OH
Internal Medicine (MD) with Mercy Health Physicians-North LLC, practicing in Oregon, Ohio. Their prescriptions cost Medicare Part D more than their services did: $114,736 for 1,491 claims, against $31,109 paid for services in 2024. Exact Sciences Corporation reported $38.57 in payments in 2025, mostly food and beverage. Lists Bay Park Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1588232961 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 14, 2021 |
| Last updated in NPPES | May 3, 2024 |
| Certified by provider | May 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35150910 | 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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 409 across 26 procedure codes |
| Paid by Medicare | $31,109 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,491 · 2,490 30-day fills |
|---|---|
| Patients | 404 |
| Total drug cost | $114,736 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Health Physicians-North LLCToledo, OH · 132 clinicians
Hospital affiliations
- Bay Park Community HospitalOregon, OH
- Mercy St Vincent Medical CenterToledo, OH
- University of Toledo Medical CenterToledo, OH
Other facilities
- Ohioans Home Healthcare, IncHome health agency · Perrysburg, OH
Industry payments (Open Payments)
- 2025$38.57 · 2 payments from 1 company
- 2024$16.49 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $38.57 | 2 |
What the 2025 payments were for
- Food and Beverage$38.57 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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