Gangaswamaiah Hamsa, M.D.
NPI 1700829496ActiveIndividual· Internal Medicine· North Brunswick, NJ
Internal Medicine (M.D.) with Rwjbh Primary Care Services, practicing in North Brunswick, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $456,112 for 3,302 claims, against $56,386 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $910.70 in all, mostly food and beverage.
Overview
| NPI | 1700829496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 13, 2006 |
| Last updated in NPPES | Feb 18, 2020 |
| Certified by provider | Feb 18, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA07698400 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 909 across 22 procedure codes |
| Paid by Medicare | $56,386 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,302 · 7,467 30-day fills |
|---|---|
| Patients | 189 |
| Total drug cost | $456,112 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Rwjbh Primary Care ServicesEast Brunswick, NJ · 267 clinicians
Industry payments (Open Payments)
- 2025$910.70 · 56 payments from 11 companies
- 2024$776.85 · 56 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $494.31 | 33 |
| Amgen Inc. | $124.22 | 7 |
| Dexcom, Inc. | $65.31 | 3 |
| Lilly USA, LLC | $49.94 | 3 |
| Abbott Laboratories | $39.53 | 2 |
What the 2025 payments were for
- Food and Beverage$910.70 · 56 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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