Harmanjot Kaur Grewal, M.D.
NPI 1396904090ActiveIndividual· Internal Medicine, Rheumatology· Baton Rouge, LA
Internal Medicine, Rheumatology (M.D.) with Our Lady of the Lake Physician Group LLC, practicing in Baton Rouge, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $2,253,819 for 2,250 claims, against $21,805 paid for services in 2024. Abbvie Inc. was the largest of 13 companies reporting payments in 2025, $1,853 in all, mostly food and beverage. Lists Our Lady of the Lake Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1396904090 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 6, 2008 |
| Last updated in NPPES | Jan 25, 2021 |
| Certified by provider | Jan 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | MD.204626 | LA |
| Internal Medicine, Rheumatology | 207RR0500X | 23875 | MS |
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 - Rheumatology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 121 |
|---|---|
| Services billed | 463 across 13 procedure codes |
| Paid by Medicare | $21,805 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,250 · 3,759 30-day fills |
|---|---|
| Patients | 358 |
| Total drug cost | $2,253,819 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Our Lady of the Lake Physician Group LLCBaton Rouge, LA · 644 clinicians
Hospital affiliation
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
Industry payments (Open Payments)
- 2025$1,853 · 91 payments from 13 companies
- 2024$1,409 · 64 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $827.42 | 40 |
| E.R. Squibb & Sons, L.L.C. | $187.67 | 9 |
| Glaxosmithkline, LLC. | $167.73 | 12 |
| Amgen Inc. | $146.73 | 8 |
| Novartis Pharmaceuticals Corporation | $141.54 | 6 |
What the 2025 payments were for
- Food and Beverage$1,853 · 91 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Rheumatology providers in Baton Rouge
- 1275974040
- 1356630958
- 1083655237
- 1316972110
- 1225061716
- 1316133341
- 1164612479
- 1558595256
- 1841677986
- 1144253709
- 1558386839
- 1811918568
All Internal Medicine, Rheumatology providers in Louisiana →