Steven Marso
Interventional Cardiology · Kansas City, MONPI 1528026374
Payments from drug & device makers
What this record shows
The money is spread across several categories — speaking fees (32.3%), consulting fees and travel and lodging — rather than concentrated in one kind of arrangement. It is spread thinly across 25 manufacturers, the largest accounting for just 23.7%. Reporting peaked in 2019 at $25,968 and has fallen 99.7% since, to $66 in 2024.
Across 134 payments — averaging $309.78 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Boston Scientific$10K
- Asahi Intecc CO., LTD.$9K
- Asahi Intecc USA, Inc.$7K
- Siemens Medical Solutions USA, Inc.$7K
- Novo Nordisk AS$6K
- Novo Nordisk$2K
- plus $2K from 19 others
Across 768 payments — averaging $1151.67 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Novo Nordisk AS$686K
- Novartis$131K
- Boston Scientific$67K
What the payments were for
- Consulting fees$12,92531%
- Speaking & faculty fees$13,40032%
- Travel & lodging$10,17925%
- Food & beverage$3,99210%
- Education$1,0142%
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 |
|---|---|---|
| Boston Scientific | 16 | $9,821 |
| Asahi Intecc CO., LTD. | 3 | $8,939 |
| Asahi Intecc USA, Inc. | 22 | $7,298 |
| Siemens Medical Solutions USA, Inc. | 8 | $6,540 |
| Novo Nordisk AS | 3 | $5,625 |
| Novo Nordisk | 2 | $1,519 |
| Abiomed | 12 | $534 |
| Medtronic(2 entities) | 10 | $251 |
| Irhythm Technologies, Inc. | 11 | $246 |
| ZOLL Services LLC (a/k/a ZOLL Lifecor Corp) | 17 | $231 |
| Abbott | 4 | $84 |
| Philips North America LLC | 4 | $66 |
| Amgen | 4 | $65 |
| Boehringer Ingelheim | 4 | $56 |
| Corindus Inc. | 1 | $39 |
| AstraZeneca | 2 | $34 |
| Pfizer | 2 | $28 |
| Alnylam Pharmaceuticals Inc. | 2 | $26 |
| Osprey Medical Inc | 1 | $20 |
| E.r. Squibb & Sons, L.L.C. | 1 | $17 |
| Cvrx, Inc. | 1 | $16 |
| GE HealthCare | 1 | $15 |
| Biotronik Inc. | 1 | $14 |
| Cardinal Health 200 LLC | 1 | $14 |
| Novartis | 1 | $13 |
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.
- ASAHI PTCA Guide Wire$15,655
- CROSSBOSS$6,900
- GENERAL - THERAPIES$2,329
- Impella$264
- Watchman$122
How this compares
$41,510 in reported general payments places this provider in the 80th percentile of 182 interventional cardiology providers in Missouri.
Other interventional cardiology in Kansas City
- Gerald MancusoKansas City$402K
- James GranthamKansas City$357K
- Matthew BunteKansas City$242K
- Adnan ChhatriwallaKansas City$114K
- Kenneth HuberKansas City$110K
- Chetan HudedKansas City$61K
- Adam SalisburyKansas City$52K
- Dany JacobKansas City$35K
- Muhammad Anis HaiderKansas City$35K
- Francisco LammogliaKansas City$22K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.