Ambaram Chauhan
Internal Medicine · Clairton, PANPI 1184603383
Payments from drug & device makers
Across 126 payments — averaging $14.25 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- GSK$327
- Pfizer$215
- AstraZeneca$195
- Amarin Pharma, Inc.$188
- AbbVie$158
- Novo Nordisk$130
- plus $582 from 19 others
What the payments were for
- Food & beverage$1,75798%
- Education$392%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| GSK | 21 | $327 |
| Pfizer | 18 | $215 |
| AstraZeneca | 14 | $195 |
| Amarin Pharma, Inc. | 13 | $188 |
| AbbVie(2 entities) | 9 | $158 |
| Novo Nordisk | 8 | $130 |
| Novartis | 10 | $126 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 4 | $55 |
| Merck | 4 | $54 |
| Astellas Pharma US Inc | 3 | $52 |
| E.r. Squibb & Sons, L.L.C. | 3 | $37 |
| Ultragenyx Pharmaceutical Inc. | 2 | $32 |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $30 |
| Boehringer Ingelheim | 2 | $30 |
| Amgen(2 entities) | 2 | $28 |
| Lilly USA, LLC | 2 | $25 |
| Radius Health, Inc. | 1 | $16 |
| Currax Pharmaceuticals LLC | 1 | $15 |
| Gilead | 1 | $14 |
| Johnson & Johnson | 1 | $13 |
| Abbott | 1 | $12 |
| Ironwood Pharmaceuticals, Inc | 1 | $12 |
| Nalpropion Pharmaceuticals LLC | 1 | $12 |
| Kowa Pharmaceuticals America, Inc. | 1 | $11 |
| Medicure Pharma Inc. | 1 | $10 |
How this compares
$1,796 in reported general payments places this provider in the 80th percentile of 5,705 internal medicine providers in Pennsylvania.
Other internal medicine in Clairton
- Jonathan EpsteinPhiladelphia$13.1M
- Siddharth ShethPittsburgh$11M
- Nathan PatelTannersville$9.5M
- Pitamber DevgonPhiladelphia$7.5M
- Christopher StillDanville$7.1M
- Liza VillaruzPittsburgh$6.6M
- Paul HartleyUniontown$4.9M
- Victor KoladeSayre$4.7M
- Michael OliverBeaver$4.7M
- Raman PurighallaPittsburgh$3.9M
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.