Elizabeth Chou, MD
Vascular Surgery · Los Angeles, CANPI 1780065292
Payments from drug & device makers
What this record shows
The money is spread across several categories — food and beverage (54.0%), grants and travel and lodging — rather than concentrated in one kind of arrangement. 13 manufacturers reported payments, led by Medtronic at 33.6% of the total. Reporting peaked in 2023 at $2,251 and has fallen 81.3% since, to $421 in 2025.
Across 59 payments — averaging $121.45 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Medtronic$2K
- Cook Medical LLC$2K
- W. L. Gore & Associates, Inc.$1K
- Penumbra, Inc.$547
- Silk Road Medical, Inc.$176
- Surmodics, Inc.$172
- plus $529 from 7 others
What the payments were for
- Grants$1,69724%
- Travel & lodging$95613%
- Food & beverage$3,86954%
- Education$6449%
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 |
|---|---|---|
| Medtronic(2 entities) | 20 | $2,407 |
| Cook Medical LLC | 8 | $1,986 |
| W. L. Gore & Associates, Inc. | 14 | $1,349 |
| Penumbra, Inc. | 5 | $547 |
| Silk Road Medical, Inc. | 2 | $176 |
| Surmodics, Inc. | 1 | $172 |
| Boston Scientific | 2 | $141 |
| Endologix LLC | 1 | $134 |
| Lemaitre Vascular, Inc. | 1 | $108 |
| Heartflow, Inc. | 1 | $52 |
| Paratek Pharmaceuticals, Inc. | 2 | $42 |
| My01 Inc. | 1 | $27 |
| Philips North America LLC | 1 | $25 |
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.
- ENDURANT IIS$1,256
- Indigo System$373
- GORE EXCLUDER Thoracoabdominal Branch Endoprosthesis$326
- Zilver PTX$254
- EXCLUDER Conformable AAA Endoprosthesis with Active Control$216
- GORE TAG Thoracic Branch Endoprosthesis$190
- GORE VIABAHN VBX Balloon Expandable Endo$174
- Pounce Thrombectomy System$172
- Pounce Venous Thrombectomy System$172
- ENROUTE Transcarotid Stent$152
- ENROUTE Transcarotid Neuroprotection System$152
- Ovation$134
- Ranger$123
- TYKE, PATCH, PLEDGET AND INTRACARDIAC$108
How this compares
$7,166 in reported general payments places this provider in the 60th percentile of 519 vascular surgery providers in California.
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 vascular surgery in Los Angeles
- Sukgu HanLos Angeles$477K
- Johnathon RolloLos Angeles$337K
- Gregory MageeLos Angeles$152K
- Rajeev RaoLos Angeles$107K
- Juan JimenezLos Angeles$91K
- Miguel ManzurLos Angeles$88K
- Bernardo Curi MendesLos Angeles$76K
- William Quinones-BaldrichLos Angeles$53K
- Sharon KiangLos Angeles$46K
- Fred WeaverLos Angeles$42K
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.