Koushik Nag, DO
Interventional Cardiology · Avondale, AZNPI 1699892059
Payments from drug & device makers
Across 188 payments — averaging $26.11 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Biotronik Inc.$1K
- Novartis$526
- ZOLL Services LLC (a/k/a ZOLL Lifecor Corp)$503
- Johnson & Johnson$438
- Biosense Webster, Inc.$291
- Abbott$258
- plus $2K from 23 others
What the payments were for
- Food & beverage$3,55598%
- Education$612%
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 |
|---|---|---|
| Biotronik Inc. | 7 | $1,293 |
| Novartis | 27 | $526 |
| ZOLL Services LLC (a/k/a ZOLL Lifecor Corp) | 30 | $503 |
| Johnson & Johnson | 30 | $438 |
| Biosense Webster, Inc. | 4 | $291 |
| Abbott | 13 | $258 |
| Amgen | 7 | $237 |
| Boston Scientific | 8 | $222 |
| Merck | 14 | $194 |
| AstraZeneca | 10 | $156 |
| Kestra Medical Technology Services, Inc. | 4 | $111 |
| Medtronic | 2 | $101 |
| E.r. Squibb & Sons, L.L.C. | 5 | $78 |
| Pfizer | 4 | $63 |
| Impulse Dynamics (USA) Inc. | 3 | $50 |
| Actelion Pharmaceuticals US, Inc. | 2 | $50 |
| Boehringer Ingelheim | 3 | $46 |
| Cardiovascular Systems Inc. | 1 | $42 |
| Atricure, Inc. | 1 | $42 |
| Novo Nordisk | 2 | $41 |
| Lilly USA, LLC | 2 | $30 |
| Regeneron Healthcare Solutions, Inc. | 2 | $29 |
| Terumo Medical Corporation | 1 | $23 |
| Inspire Medical Systems, Inc. | 1 | $18 |
| Esperion Therapeutics, Inc. | 1 | $18 |
| Sanofi-aventis U.S. LLC | 1 | $15 |
| Edwards Lifesciences | 1 | $14 |
| Kowa Pharmaceuticals America, Inc. | 1 | $12 |
| Tactile Systems Technology Inc | 1 | $11 |
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$4,909 in reported general payments places this provider in the 25th percentile of 223 interventional cardiology providers in Arizona.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| EliquisApixaban | 382 | $479,421 |
| EntrestoSacubitril/Valsartan | 217 | $297,229 |
| XareltoRivaroxaban | 68 | $102,747 |
| FarxigaDapagliflozin Propanediol | 66 | $91,239 |
| JardianceEmpagliflozin | 35 | $43,081 |
| Repatha SureclickEvolocumab | 51 | $41,900 |
| BrilintaTicagrelor | 34 | $40,249 |
| MultaqDronedarone Hcl | 20 | $21,376 |
| LivaloPitavastatin Calcium | 15 | $14,251 |
| Metoprolol Succinate | 578 | $8,033 |
| Ezetimibe | 176 | $6,466 |
| Praluent PenAlirocumab | 13 | $6,203 |
| Atorvastatin Calcium | 659 | $5,658 |
| Valsartan | 198 | $5,481 |
| VascepaIcosapent Ethyl | 12 | $4,665 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| PfizerEliquis | $63 | $479,421382 claims |
| NovartisEntresto | $526 | $297,229217 claims |
| AstraZenecaFarxiga, Brilinta | $156 | $131,488100 claims |
| Johnson & JohnsonXarelto | $438 | $102,74768 claims |
| Boehringer IngelheimJardiance | $46 | $43,08135 claims |
| Sanofi-aventis U.S. LLCMultaq | $15 | $21,37620 claims |
| Kowa Pharmaceuticals America, Inc.Livalo, Bystolic | $12 | $16,54428 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 25th percentile of 223 interventional cardiology providers in Arizona.
Other interventional cardiology in Avondale
- Hursh NaikAvondale$2.2M
- Paul SorajjaPhoenix$8.8M
- Thomas WaggonerTucson$4.1M
- Nabil DibGilbert$2.2M
- Timothy ByrnePhoenix$2.1M
- Ashish PershadChandler$1.4M
- Mohamad LazkaniPhoenix$1.1M
- Parminder SinghPhoenix$854K
- Samuel ButmanCottonwood$706K
- Ajay TuliTucson$705K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.