Christopher Porterfield, MD
Clinical Cardiac Electrophysiology · Aurora, CONPI 1689792327
Payments from drug & device makers
Across 733 payments — averaging $727.24 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Biosense Webster, Inc.$235K
- Janssen Research & Development, LLC$93K
- Abbott$52K
- Impulse Dynamics (USA) Inc.$46K
- Cvrx, Inc.$39K
- Medical Device Business Services, Inc.$32K
- plus $36K from 23 others
Across 8 payments — averaging $10,760 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.
- Cardiva Medical, Inc.$86K
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 |
|---|---|---|
| Biosense Webster, Inc. | 274 | $235,042 |
| Janssen Research & Development, LLC | 23 | $92,605 |
| Abbott | 150 | $52,292 |
| Impulse Dynamics (USA) Inc. | 45 | $46,141 |
| Cvrx, Inc. | 31 | $38,758 |
| Medical Device Business Services, Inc. | 32 | $32,375 |
| Cardiva Medical, Inc. | 9 | $20,208 |
| Medtronic(2 entities) | 38 | $5,297 |
| Boston Scientific | 67 | $4,136 |
| Pfizer | 7 | $2,804 |
| ZOLL Respicardia, Inc. | 3 | $1,282 |
| Philips North America LLC | 11 | $392 |
| Biotronik Inc. | 9 | $329 |
| ZOLL Services LLC (a/k/a ZOLL Lifecor Corp) | 4 | $301 |
| Atricure, Inc. | 3 | $216 |
| Inari Medical, Inc. | 1 | $215 |
| Abiomed | 3 | $207 |
| Novartis | 7 | $148 |
| E.r. Squibb & Sons, L.L.C. | 3 | $70 |
| Amgen | 4 | $66 |
| Kestra Medical Technology Services, Inc. | 1 | $29 |
| Siemens Medical Solutions USA, Inc. | 1 | $25 |
| Cardiofocus, Inc. | 1 | $25 |
| Cleerly, Inc. | 1 | $21 |
| Alnylam Pharmaceuticals Inc. | 1 | $20 |
| Merck | 1 | $19 |
| Sanofi-aventis U.S. LLC | 1 | $16 |
| Johnson & Johnson | 1 | $15 |
| AstraZeneca | 1 | $12 |
How this compares
$533,067 in reported general payments places this provider in the 90th percentile of 66 clinical cardiac electrophysiology providers in Colorado.
See all clinical cardiac electrophysiology providers in Colorado →
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.
Other clinical cardiac electrophysiology in Aurora
- Wendy TzouAurora$538K
- Margot VlokaAurora$293K
- Lohit GargAurora$147K
- Syed Rafay Ali SabzwariAurora$80K
- Ryan BorneAurora$63K
- Ryan AleongAurora$53K
- Amneet SandhuAurora$53K
- Michael RosenbergAurora$40K
- Dustin NashAurora$30K
- Lukasz CerbinAurora$18K
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.