Rajinder Grewal
NPI 1437327350ActiveIndividual· Internal Medicine· Pontiac, MI
Internal Medicine in Pontiac, Michigan, licensed in MI, with an NPI issued in February 2008. In 2024 Medicare paid $40,308 for 269 patients, and Part D covered 129 of their prescriptions, 86% of them generic. Ars Pharmaceuticals Operations, Inc. reported $22.26 in payments in 2025, mostly food and beverage. Lists Trinity Health Oakland Hospital as a hospital affiliation.
Overview
| NPI | 1437327350 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Feb 13, 2008 |
| Last updated in NPPES | Sep 11, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301088742 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 269 |
|---|---|
| Services billed | 600 across 9 procedure codes |
| Paid by Medicare | $40,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 129 · 130 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $4,674 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliation
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$22.26 · 1 payment from 1 company
- 2024$249.73 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ars Pharmaceuticals Operations, Inc. | $22.26 | 1 |
What the 2025 payments were for
- Food and Beverage$22.26 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 132 internal medicine physicians in Pontiac · All internal medicine physicians in Michigan