Louis Kwong
Adult Reconstructive Orthopaedic Surgery · Torrance, CANPI 1750450276
Payments from drug & device makers
Across 503 payments — averaging $1904.78 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Zimmer Biomet$764K
- Janssen Research & Development, LLC$105K
- Pfizer$40K
- Endo Pharmaceuticals Inc.$20K
- Convatec Inc.$16K
- Heron Therapeutics, Inc.$6K
- plus $7K from 19 others
Across 1 payment — averaging $9986.40 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.
- Zimmer Biomet$10K
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 |
|---|---|---|
| Zimmer Biomet | 382 | $763,837 |
| Janssen Research & Development, LLC | 26 | $105,476 |
| Pfizer | 6 | $40,118 |
| Endo Pharmaceuticals Inc. | 2 | $20,000 |
| Convatec Inc. | 20 | $16,218 |
| Heron Therapeutics, Inc. | 18 | $5,647 |
| Regeneron | 1 | $3,200 |
| Musculoskeletal Transplant Foundation Inc. | 14 | $1,787 |
| DNE LLC | 2 | $622 |
| Molnlycke Health Care US, LLC | 3 | $209 |
| Johnson & Johnson(3 entities) | 4 | $190 |
| Stryker | 1 | $154 |
| Globus Medical | 2 | $105 |
| Axogen | 4 | $101 |
| Acell, Inc. | 4 | $98 |
| Integra Lifesciences Corporation | 3 | $66 |
| Tracpatch Health, Inc | 1 | $63 |
| Smith+Nephew | 2 | $41 |
| Orthopediatrics Corp. | 1 | $39 |
| Misonix Inc | 2 | $38 |
| Orthofix Medical, Inc. | 1 | $26 |
| Biomarin Pharmaceutical Inc. | 1 | $19 |
| Bioventus LLC | 1 | $18 |
| KCI USA, Inc. | 1 | $15 |
| Illuminoss Medical, Inc. | 1 | $13 |
How this compares
$958,103 in reported general payments places this provider in the 90th percentile of 136 adult reconstructive orthopaedic surgery providers in California.
See all adult reconstructive orthopaedic surgery providers in California →
Other adult reconstructive orthopaedic surgery in Torrance
- William MaloneyStanford$11.1M
- James CaillouetteNewport Beach$4.8M
- William LongLos Angeles$2.8M
- John DearbornMenlo Park$2.5M
- James HuddlestonStanford$2.2M
- William Bugbeela Jolla$2.2M
- Alexander SahFremont$1.8M
- John DianaNapa$1.1M
- Derek AmanatullahStanford$935K
- Thomas DonaldsonColton$893K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.