Manjit Grewal, M.D.
NPI 1982694519ActiveIndividual· Internal Medicine, Nephrology· Flint, MI
Internal Medicine, Nephrology (M.D.) with Nephrology and Internal Medicine PC, practicing in Flint, Michigan. 705 Medicare patients in 2024, $247,471 paid; nearly all of their 3,754 Part D prescriptions were generic (94%). Mallinckrodt Hospital Products Inc. reported $38.94 in payments in 2025, mostly food and beverage. Lists Ascension Genesys Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1982694519 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 25, 2005 |
| Last updated in NPPES | Aug 14, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 4301063741 | MI |
| Specialist | 174400000X | 4301063741 | MI |
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 - Nephrology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 705 |
|---|---|
| Services billed | 2,493 across 21 procedure codes |
| Paid by Medicare | $247,471 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,754 · 8,973 30-day fills |
|---|---|
| Patients | 739 |
| Total drug cost | $363,072 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology and Internal Medicine PCOwosso, MI · 9 clinicians
Hospital affiliations
- Ascension Genesys HospitalGrand Blanc, MI
- Henry Ford Health HospitalDetroit, MI
- Hurley Medical CenterFlint, MI
Other facilities
- Davita Ballenger Pointe DialysisDialysis facility · Flint, MI
- Davita Flushing DialysisDialysis facility · Flushing, MI
- Davita Grand Blanc Dialysis CenterDialysis facility · Grand Blanc, MI
- Davita Grand Blanc Home Training (Pd)Dialysis facility · Grand Blanc, MI
- Rrc - DavisonDialysis facility · Davison, MI
Industry payments (Open Payments)
- 2025$38.94 · 1 payment from 1 company
- 2024$18.09 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $38.94 | 1 |
What the 2025 payments were for
- Food and Beverage$38.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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