William Ellison
Interventional Cardiology · Charleston, SCNPI 1356307318
Payments from drug & device makers
What this record shows
This record is dominated by food and beverage: $3,573 of the $4,410 with a category attached, or 81.0%. 31 manufacturers reported payments, led by Heartflow, Inc. at 26.2% of the total. Reporting peaked in 2019 at $1,328 and has fallen 89.3% since, to $143 in 2024. That places this record below the midpoint for interventional cardiology clinicians in SC, where the typical reported total is $8,877.
Across 183 payments — averaging $24.10 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Heartflow, Inc.$1K
- Johnson & Johnson$407
- ZOLL Services LLC (a/k/a ZOLL Lifecor Corp)$388
- Amgen$316
- Pfizer$264
- Actelion Pharmaceuticals US, Inc.$218
- plus $2K from 25 others
Across 6 payments — averaging $818.45 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.
- Sunovion Pharmaceuticals Inc.$5K
What the payments were for
- Consulting fees$2786%
- Travel & lodging$52812%
- Food & beverage$3,57381%
- Education$311%
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 |
|---|---|---|
| Heartflow, Inc. | 7 | $1,155 |
| Johnson & Johnson | 34 | $407 |
| ZOLL Services LLC (a/k/a ZOLL Lifecor Corp) | 22 | $388 |
| Amgen | 18 | $316 |
| Pfizer | 18 | $264 |
| Actelion Pharmaceuticals US, Inc. | 11 | $218 |
| E.r. Squibb & Sons, L.L.C. | 13 | $196 |
| Novartis | 16 | $174 |
| Abbott | 3 | $140 |
| Livanova USA, Inc. | 1 | $134 |
| Abiomed | 1 | $126 |
| Boston Scientific | 1 | $125 |
| CMS Imaging, Inc. | 1 | $94 |
| Astellas Pharma US Inc | 5 | $89 |
| Spacelabs Healthcare Inc | 1 | $71 |
| Biotronik Inc. | 3 | $53 |
| Cvrx, Inc. | 3 | $51 |
| Cardinal Health 200 LLC | 3 | $51 |
| Regeneron Healthcare Solutions, Inc. | 3 | $49 |
| Sanofi-aventis U.S. LLC | 3 | $49 |
| AstraZeneca | 3 | $44 |
| Kiniksa Pharmaceuticals, Ltd. | 2 | $37 |
| Esperion Therapeutics, Inc. | 2 | $34 |
| GE HealthCare | 1 | $31 |
| Boehringer Ingelheim | 2 | $31 |
| Daiichi Sankyo Inc. | 1 | $17 |
| Atricure, Inc. | 1 | $14 |
| Arbor Pharmaceuticals, Inc. | 1 | $14 |
| Amarin Pharma, Inc. | 1 | $14 |
| Merck | 1 | $13 |
| Genentech USA, Inc. | 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.
- FFRct$959
- LifeSPARC System$134
- Impella$126
- Watchman$125
- UPTRAVI$125
How this compares
$4,410 in reported general payments places this provider in the 25th percentile of 117 interventional cardiology providers in South Carolina.
See all interventional cardiology providers in South Carolina →
Other interventional cardiology in Charleston
- Daniel SteinbergCharleston$611K
- Anbukarasi MaranCharleston$132K
- Lars RunquistCharleston$54K
- Matthew O'SteenCharleston$45K
- Scott WoodfieldCharleston$22K
- Jeffrey RiederCharleston$14K
- Fred KraininCharleston$9K
- Brian BrownSpartanburg$389K
- Nicholas AmorosoPawleys Island$283K
- Robert LeonardiWest Columbia$203K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.