Gagandeep Singh Grewal, M.D.
NPI 1114214038ActiveIndividual· Internal Medicine· Hattiesburg, MS
Internal Medicine (M.D.) with Hattiesburg Hb Medical Services LLC, practicing in Hattiesburg, Mississippi. In 2024 Medicare paid $90,560 for 364 patients, and Part D covered 861 of their prescriptions, 88% of them generic. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $59.27 in all, mostly food and beverage. Lists Highland Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1114214038 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 29, 2011 |
| Last updated in NPPES | Oct 8, 2020 |
| Certified by provider | Oct 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 23236 | MS |
| Internal Medicine | 207R00000X | 10170 | MS |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 1,343 across 21 procedure codes |
| Paid by Medicare | $90,560 |
Part D prescriptions in 2024
| Prescriptions (claims) | 861 · 956 30-day fills |
|---|---|
| Patients | 180 |
| Total drug cost | $42,621 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Hattiesburg Hb Medical Services LLCHattiesburg, MS · 26 clinicians
Hospital affiliations
- Highland Community HospitalPicayune, MS
- Merit Health WesleyHattiesburg, MS
- Pearl River County HospitalPoplarville, MS
Other facilities
- Arden of South Mississippi LLCHospice · Poplarville, MS
Industry payments (Open Payments)
- 2025$59.27 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $38.96 | 2 |
| Abbott Laboratories | $20.31 | 1 |
What the 2025 payments were for
- Food and Beverage$59.27 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 internal medicine physicians in Hattiesburg · All internal medicine physicians in Mississippi